Debt instrument, term of automatic extension Debt Instrument, Term Of Automatic Extension Debt Instrument, Term Of Automatic Extension Statistical Measurement [Domain] Statistical Measurement [Domain] System1 System1 [Member] System1 Treasury shares issued for investment in JANA (in shares) Stock Issued For Equity Investment, Shares Stock Issued For Equity Investment, Shares Award Timing Predetermined Award Timing Predetermined [Flag] Related Party Transaction [Axis] Related Party Transaction [Axis] Asset Class [Axis] Asset Class [Axis] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Equity in (losses) earnings of unconsolidated affiliates Equity in losses (earnings) of unconsolidated affiliates Equity in earnings (losses) of unconsolidated affiliates Equity in losses of unconsolidated affiliates Income (Loss) from Equity Method Investments Tabular List, Table Tabular List [Table Text Block] Basic Earnings Per Share, Basic [Abstract] MSA Termination Agreement final installment of unpaid termination fees (as defined in the MSA) Management Services Agreement, Termination Agreement, Final Annual Installment Of Termination Fee, Amount Management Services Agreement, Termination Agreement, Final Annual Installment Of Termination Fee, Amount Schedule of Dividends Declared Dividends Declared [Table Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Purchases of short-term investment securities Payments to Acquire Short-Term Investments Total Reportable Segments Reportable Segment, Aggregation before Other Operating Segment [Member] Schedule of Reconciliation of Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Guarantor obligations Guarantor Obligations, Maximum Exposure, Undiscounted Payment for shares withheld for taxes and in treasury Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Net loss per share (in usd per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Recognized (losses) gains Disposal Group, Including Discontinued Operation, Realized Gains (Losses) Disposal Group, Including Discontinued Operation, Realized Gains (Losses) Revenue Recognition Revenue from Contract with Customer [Text Block] Other comprehensive earnings (loss) Other Comprehensive Income (Loss), Net of Tax Schedule of Financial Information Concerning Reportable Segments Schedule of Segment Reporting Information, by Segment [Table Text Block] Investment in preferred equity Disposal Group, Including Discontinued Operation, Assets Loss before equity in (losses) earnings of unconsolidated affiliates Income (Loss) From Continuing Operations Before Minority Interest And Income (Loss) On Equity Method Investments, Net Of Income Tax Income (Loss) From Continuing Operations Before Minority Interest And Income (Loss) On Equity Method Investments, Net Of Income Tax Adjustment to Compensation, Amount Adjustment to Compensation Amount Other assets Increase (Decrease) in Other Operating Assets Principles of Consolidation and Basis of Presentation Consolidation, Policy [Policy Text Block] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Exchange of real estate for reduction of outstanding debt Exchange of real estate as repayment of debt Non Cash Exchange Of Real Estate As Repayment of Debt Non Cash Exchange Of Real Estate As Repayment of Debt Employee Stock Option Share-Based Payment Arrangement, Option [Member] Investment before adjustment for impairment Equity Method Investments Before Adjustment For Other Than Temporary Impairment Equity Method Investments Before Adjustment For Other Than Temporary Impairment Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] 2022 Repurchase Program 2022 Repurchase Program [Member] 2022 Repurchase Program Other long-term investments and non-current assets Investments and Other Noncurrent Assets Additional investments in unconsolidated affiliates Equity investment Payments to Acquire Equity Method Investments Dividends declared Dividends, Common Stock, Cash Total Cannae shareholders' equity Equity, Attributable to Parent Other comprehensive earnings (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Common stock authorized (in shares) Common Stock, Shares Authorized Real estate and resort Real Estate And Resort [Member] Real Estate And Resort [Member] Other Other Investments In Unconsolidated Affiliates [Member] Other Investments In Unconsolidated Affiliates [Member] Assets: Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Current assets: Assets, Current [Abstract] Total liabilities and equity Liabilities and Equity Schedule of Purchase Obligations Recorded Unconditional Purchase Obligations [Table Text Block] Additional ownership percentage Equity Method Investment Ownership Additional Percentage Acquired Equity Method Investment Ownership Additional Percentage Acquired Amended MSA Amended Management Services Agreement [Member] Amended Management Services Agreement LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Maximum Maximum [Member] Equity Method Investment [Table] Equity Method Investment [Table] Less: Net loss attributable to noncontrolling interests Net loss attributable to noncontrolling interests Earnings (losses) of unconsolidated affiliates Net Income (Loss) Attributable to Noncontrolling Interest Unrealized earnings (loss) of investments in unconsolidated affiliates, tax expense (benefit) OCI, Equity Method Investment, Tax Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Purchases of other long-term investments Payments to Acquire Other Investments Treasury Stock Treasury Stock, Common [Member] Net loss from continuing operations Net earnings (loss) from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Temporary Equity [Line Items] Temporary Equity [Line Items] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Net loss from continuing operations Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Discontinued Operations, Held-for-Sale or Disposed of by Sale Discontinued Operations, Held-for-Sale or Disposed of by Sale [Member] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from sales of property and equipment Proceeds from Sale of Property, Plant, and Equipment Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Schedule of Supplemental Cash Flow information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Variable Interest Entity [Table] Variable Interest Entity [Table] Chief Executive Officer, Chief Investment Officer and Chairman of the Board Chief Executive Officer, Chief Investment Officer and Chairman of the Board [Member] Chief Executive Officer, Chief Investment Officer and Chairman of the Board Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Notes payable, current Less: Notes payable, current Long-Term Debt, Current Maturities Company Selected Measure Amount Company Selected Measure Amount Less: Comprehensive loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Line of Credit Facility [Table] Line of Credit Facility [Table] Comprehensive loss attributable to Cannae Holdings, Inc. common shareholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Option Indexed to Issuer's Equity, Type [Domain] Option Indexed to Issuer's Equity, Type [Domain] Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name Net loss from continuing operations attributable to Cannae Holdings, Inc. common shareholders Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Lease liabilities, current Operating Lease, Liability, Current Document Fiscal Period Focus Document Fiscal Period Focus Net loss from discontinued operations attributable to Cannae Holdings, Inc. common shareholders Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent MSA, termination fee, annual installment Management Services Agreement, Annual Installment Of Termination Fee, Amount Management Services Agreement, Annual Installment Of Termination Fee, Amount Award Timing Method Award Timing Method [Text Block] Net loss per share from continuing operations (in usd per share) Income (Loss) from Continuing Operations, Per Basic Share Award Type Award Type [Axis] Notes payable, total Long-Term Debt Termination Fees Termination Fees [Member] Termination Fees Legal Entity [Axis] Legal Entity [Axis] Total assets Total Assets Assets Assets Investment, Name [Domain] Investment, Name [Domain] Trading Symbol Trading Symbol Management fee, fixed annual amount Management Services Agreement, Management Fee, Fixed Annual Amount Management Services Agreement, Management Fee, Fixed Annual Amount Proceeds from sale and maturity of short-term investment securities Proceeds from Sale, Maturity and Collection of Short-Term Investments Entity Address, City or Town Entity Address, City or Town Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Put Right Put Option [Member] Other segment items Segment Reporting, Other Segment Item, Amount JANA Partners JANA Partners [Member] JANA Partners Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Other than temporary impairment of investment Impairment charges Equity Method Investment, Other-than-Temporary Impairment Entity Emerging Growth Company Entity Emerging Growth Company 2028 Long-Term Debt, Maturity, Year Three Common stock, dividends declared (in usd per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Repayments of line of credit Repayments of Lines of Credit Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Investments in unconsolidated affiliates Aggregate investment value Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Related Party Related Party [Member] Recognized losses, net Recognized gain Nonoperating Gains (Losses) Investments in unconsolidated affiliates Equity Method Investments [Member] Common stock outstanding (in shares) Beginning balance, Common Stock (in shares) Ending balance, Common Stock (in shares) Common Stock, Shares, Outstanding Common stock held as collateral for credit facility (in shares) Common Stock Held As Collateral for Credit Facility, Shares Common Stock Held As Collateral for Credit Facility, Shares PEO PEO [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] BKFC Black Knight Football and Entertainment LP [Member] Black Knight Football and Entertainment LP Non-cash investing and financing activities: Noncash Investing and Financing Items [Abstract] Loss before income taxes and equity in (losses) earnings of unconsolidated affiliates Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Corporate and Other Corporate and other Corporate Segment and Other Operating Segment [Member] Changes in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Agreement termination, base fee for termination of agreement from average annual management fee for preceding period as of termination date Base Fee For Termination Of Agreement Based Upon Average Annual Management Fee For Preceding Period As Of Termination Date, Amount Base Fee For Termination Of Agreement Based Upon Average Annual Management Fee For Preceding Period As Of Termination Date, Amount Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Retained Earnings Retained Earnings [Member] Net loss per share from discontinued operations (in usd per share) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share Variable rate interest Debt Instrument, Interest Rate, Effective Percentage Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Condensed Consolidated Statements of Operations Income Statement [Abstract] Income tax (benefit) expense Income Tax Expense (Benefit) Interest rate basis Debt Instrument, Basis Spread on Variable Rate Preferred stock issued (in shares) Preferred Stock, Shares Issued Other intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Terminated Amended Management Services Agreement, Monthly Payment May 2025 to December 2025 Terminated Amended Management Services Agreement, Monthly Payment May 2025 to December 2025 [Member] Terminated Amended Management Services Agreement, Monthly Payment May 2025 to December 2025 Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] MSA Termination Agreement second installment of unpaid termination fees (as defined in the MSA) Management Services Agreement, Termination Agreement, Second Annual Installment Of Termination Fee, Amount Management Services Agreement, Termination Agreement, Second Annual Installment Of Termination Fee, Amount Guarantor obligation, term Guarantor Obligation, Term Net loss per share from continuing operations (in usd per share) Income (Loss) from Continuing Operations, Per Diluted Share Net loss Net loss Net loss attributable to BKFC Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Total purchase commitments Recorded Unconditional Purchase Obligation Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total liabilities Liabilities, Fair Value Disclosure Stock repurchase program, period Share Repurchase Program, Period in Force Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Notes Payable Notes Payable, Other Payables [Member] Other Other Equity Securities [Member] Other Equity Securities Lease asset amortization Operating Lease, Right-of-Use Asset, Periodic Reduction Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Dun & Bradstreet Dun And Bradstreet Corporation Dun And Bradstreet Corporation [Member] Dun And Bradstreet Corporation [Member] Schedule of Contract Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Terminated Amended Management Services Agreement, Aggregate Remaining Monthly Payment Due January 1, 2026 Terminated Amended Management Services Agreement, Aggregate Remaining Monthly Payment Due January 1, 2026 [Member] Terminated Amended Management Services Agreement, Aggregate Remaining Monthly Payment Due January 1, 2026 Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Aggregate value of ownership based on quoted market price Equity Method Investment, Quoted Market Value Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Preferred stock par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Unconsolidated affiliates Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Goodwill Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Equity Components [Axis] Equity Components [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Accounts payable and other accrued liabilities, long-term Accounts Payable and Accrued Liabilities, Noncurrent Number of reportable segments Number of Reportable Segments Basis of Financial Statements Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Cash paid during the period: Supplemental Cash Flow Information [Abstract] Operating loss carryforwards, valuation allowance Operating Loss Carryforwards, Valuation Allowance Variable Interest Entities Variable Interest Entity Disclosure [Text Block] Other Performance Measure, Amount Other Performance Measure, Amount Entity Address, State or Province Entity Address, State or Province Noncurrent assets of discontinued operations held for sale - see Note J Disposal Group, Including Discontinued Operation, Assets, Noncurrent Related Party [Domain] Related and Nonrelated Parties [Domain] Total current liabilities Liabilities, Current Net (losses) gains recognized during the period on equity securities Equity Securities, FV-NI, Gain (Loss) Derivative Instrument [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] 2029 Recorded Unconditional Purchase Obligation, to be Paid, Year Four Liabilities: Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Dividends paid Payments of Ordinary Dividends, Common Stock Other current assets Other Assets, Current Entity [Domain] Entity [Domain] Net cash provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Interest Interest Paid, Excluding Capitalized Interest, Operating Activity Restaurant Group Restaurant Group Restaurant Group [Member] Restaurant Group [Member] Document Fiscal Year Focus Document Fiscal Year Focus Maximum Exposure Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Lease assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Debt service payments Repayments of Long-Term Debt Effective tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Axis] Total accounts payable and other accrued liabilities, current Accounts Payable and Accrued Liabilities, Fair Value Disclosure Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Equity in Fulfillment received as consideration in the WD Transaction Consideration Received for Beneficial Interest Obtained for Transferring Financial Asset Segment Information Segment Reporting Disclosure [Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Alight Alight, Inc. Alight, Inc. [Member] Alight, Inc. Ownership [Domain] Ownership [Domain] 99 Restaurants Ninety-Nine Restaurants [Member] Ninety-Nine Restaurants [Member] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Deferred tax asset Deferred Income Tax Assets, Net Additions to property and equipment and other intangible assets Payments to Acquire Productive Assets Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization Entity Central Index Key Entity Central Index Key PEO Name PEO Name Total revenues Total revenues Total revenues Revenues Schedule of Gross Principal Maturities of Notes Payable Schedule of Maturities of Long-Term Debt [Table Text Block] Proceeds from sale of stock Sale of Stock, Consideration Received on Transaction Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Revolving Credit Facility Revolver Note Revolving Credit Facility [Member] Investment in JANA paid through reissuance of common stock from treasury Noncash Or Part Noncash Investment, Common Stock Re-Issued From Treasury, Consideration Paid Noncash Or Part Noncash Investment, Common Stock Re-Issued From Treasury, Consideration Paid Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Deferred revenue Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Amounts attributable to Cannae Holdings, Inc. common shareholders Income Amounts Attributable to Parent, Disclosures [Abstract] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Number of restaurants Number of Restaurants Subsequent Event Type [Axis] Subsequent Event Type [Axis] ASSETS Assets [Abstract] Notes payable, long-term Notes payable, long term Long-Term Debt, Excluding Current Maturities Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Investments Investments In Available-For-Sale Debt Securities And Equity Method Investments [Text Block] Investments In Available-For-Sale Debt Securities And Equity Method Investments [Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Credit Facility [Domain] Credit Facility [Domain] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Thereafter Recorded Unconditional Purchase Obligation, to be Paid, After Year Four Recorded Unconditional Purchase Obligation, to be Paid, After Year Four Treasury stock repurchases Stock repurchases cost Treasury Stock, Value, Acquired, Cost Method Accumulated Other Comp (Loss) Earnings AOCI Attributable to Parent [Member] Interest rate incurred Debt Instrument, Interest Rate, Stated Percentage Investment, Name [Axis] Investment, Name [Axis] Payment for shares withheld for taxes and in treasury (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Lease liabilities, long-term Operating Lease, Liability, Noncurrent CSI CSI [Member] CSI Ownership [Axis] Ownership [Axis] 2025 Repurchase Program 2025 Repurchase Program [Member] 2025 Repurchase Program Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Fair Value as of Grant Date Award Grant Date Fair Value Trade receivables, net Accounts Receivable, after Allowance for Credit Loss Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Schedule of Notes Payable Schedule of Long-Term Debt Instruments [Table Text Block] Personnel costs Labor and Related Expense Shares repurchase ( greater of) (usd per share) Option Indexed to Issuer's Equity, Strike Price Title and Position [Domain] Title and Position [Domain] Total operating expenses Costs and Expenses Related Party Transaction [Line Items] Related Party Transaction [Line Items] Document Quarterly Report Document Quarterly Report Total assets Assets, Fair Value Disclosure Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Investments without readily determinable fair value Equity Securities without Readily Determinable Fair Value, Amount Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Related Party [Axis] Related and Nonrelated Parties [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] 2027 Recorded Unconditional Purchase Obligation, to be Paid, Year Two Other activity in non-controlling interests Proceeds from (Payment for) Other Financing Activity Name Trading Arrangement, Individual Name All Award Types Award Type [Domain] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Compensation Amount Outstanding Recovery Compensation Amount Temporary Equity, by Class of Stock [Table] Temporary Equity, by Class of Stock [Table] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Condensed Consolidated Statements of Comprehensive Earnings Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue recognized that was included in deferred revenue Contract with Customer, Liability, Revenue Recognized Share Repurchase Program [Axis] Share Repurchase Program [Axis] Income tax expense (benefit) Discontinued Operation, Tax Effect of Discontinued Operation MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name WineDirect Inc WineDirect Inc [Member] WineDirect Inc Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Other commitment Other Commitment Accounts payable, accrued liabilities, deferred revenue and other liabilities Increase (Decrease) In Accounts Payable, Accrued Liabilities, Contract Liabilities, And Other Operating Liabilities Increase (Decrease) In Accounts Payable, Accrued Liabilities, Contract Liabilities, And Other Operating Liabilities Settlement amount Option Contract Indexed to Equity, Settlement, Cash, Amount Revenues: Revenues [Abstract] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Less: Treasury stock, 36,911,194 and 31,538,780 shares as of June 30, 2025 and December 31, 2024, respectively, at cost Treasury Stock, Value Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax 2026 Long-Term Debt, Maturity, Year One Segments [Domain] Segments [Domain] Short-term investments Short-term Investments At Fair Value Short-term Investments At Fair Value Amount available to be drawn Available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Shares subject to possible redemption (in shares) Option Indexed to Issuer's Equity, Indexed Shares Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Minimum Minimum [Member] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Company Selected Measure Name Company Selected Measure Name Notes Payable Debt Disclosure [Text Block] Preferred stock, 0.0001 par value; authorized 10,000,000 shares; none issued and outstanding as of June 30, 2025 and December 31, 2024 Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Issuance of restricted stock and shares held in trust (in shares) Stock Issued During Period, Shares, Restricted Stock Units, Gross And Employee StockTrust Stock Issued During Period, Shares, Restricted Stock Units, Gross And Employee Stock Trust Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Cannae common stock, 0.0001 par value; authorized 115,000,000 shares as of June 30, 2025 and December 31, 2024; issued of 94,699,590 and 94,328,322 shares as of June 30, 2025 and December 31, 2024, respectively, and outstanding of 57,788,396 and 62,789,542 shares as of June 30, 2025 and December 31, 2024, respectively (excluding the 2,413,357 shares subject to possible redemption) Common Stock, Value, Issued DSA, term Director Services Agreement, Term Director Services Agreement, Term Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Title and Position [Axis] Title and Position [Axis] Weighted average shares outstanding Cannae Holdings common stock, diluted basis (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies - see Note H Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Business Combination [Axis] Business Combination [Axis] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Watkins Watkins [Member] Watkins Other operating expenses Other Cost and Expense, Operating Non-controlling Interests Noncontrolling Interest [Member] Preferred stock outstanding (in shares) Preferred Stock, Shares Outstanding JANA JANA [Member] JANA Document Transition Report Document Transition Report Ownership percentage Equity Method Investment, Ownership Percentage Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Diluted Earnings Per Share, Diluted [Abstract] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Recognized losses and asset impairments, net Gain (Loss) on Sale of Assets and Asset Impairment Charges Scenario [Axis] Scenario [Axis] Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Management Fee Expense Payable Management Fee Expense Payable [Member] Management Fee Expense Payable Stock repurchase, average price per share (in usd per share) Shares Acquired, Average Cost Per Share Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Total operating revenues Total revenues Total operating revenues Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Thereafter Long-Term Debt, Maturity, after Year Four Long-Term Debt, Maturity, after Year Four Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Name Forgone Recovery, Individual Name Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Stock repurchase program, authorized amount (up to) Share Repurchase Program, Authorized, Amount Lease liabilities Increase (Decrease) In Lease Liabilities Increase (Decrease) In Lease Liabilities Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name [Axis] Disposal Group Name [Axis] Payment for vested shares withheld for taxes and in treasury Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Short-term investments Other Short-Term Investments Net (loss) earnings attributable to Alight Net Income (Loss) Available to Common Stockholders, Basic Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Loss from discontinued operations before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Share Repurchase Program [Domain] Share Repurchase Program [Domain] Current liabilities: Liabilities, Current [Abstract] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] O'Charley's O'Charley's [Member] O'Charley's Share price (in usd per share) Business Combination, Price Per Share Line of credit outstanding balance Long-Term Line of Credit Level 1 Fair Value, Inputs, Level 1 [Member] Unrealized earnings (loss) of investments in unconsolidated affiliates Other comprehensive loss — unrealized gains and losses of investments in unconsolidated affiliates, net of tax OCI, Equity Method Investment, after Tax Related Party Transaction [Table] Related Party Transaction [Table] Net loss per share (in usd per share) Earnings Per Share, Diluted Forecast Forecast [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Employment agreement, lump-sum payment Employment Agreement, Lump-sum Payment, Amount Employment Agreement, Lump-sum Payment, Amount FNF Revolver Corporate Revolver Note [Member] Corporate Revolver Note [Member] Sale of stock (in shares) Sale of Stock, Number of Shares Issued in Transaction Treasury shares (in shares) Beginning balance, Treasury Stock (in shares) Ending balance, Treasury Stock (in shares) Treasury Stock, Common, Shares Earnings per share Earnings Per Share [Abstract] Consolidation Items [Domain] Consolidation Items [Domain] Total other income (expense) Nonoperating Income (Expense) Parent ownership percentage Subsidiary, Ownership Percentage, Parent Distributions from investments in unconsolidated affiliates Proceeds from WD transaction Proceeds from Equity Method Investment, Distribution, Return of Capital Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Net loss from discontinued operations, net of tax - see Note J Net (loss) earnings from discontinued operations Net loss from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Option Indexed to Issuer's Equity [Axis] Option Indexed to Issuer's Equity [Axis] Future payments Contingent Consideration for Equity Method Investment Contingent Consideration for Equity Method Investment Gross profit Gross Profit Net loss from discontinued operations - see Note J Income (Loss) From Equity Method Investment, Discontinued Operations Income (Loss) From Equity Method Investment, Discontinued Operations Other activity in non-controlling interests Stockholders' Equity, Other Equity securities, at fair value Equity securities Equity Securities, FV-NI, Noncurrent MSA Termination Agreement , aggregate remaining unpaid monthly management fees Management Services Agreement, Termination Agreement , Final Installment Of Unpaid Management Fees, Amount Management Services Agreement, Termination Agreement , Final Installment Of Unpaid Management Fees, Amount Income taxes Income Taxes Paid, Net Treasury stock repurchases (in shares) Treasury Stock, Shares, Acquired 2023 Repurchase Program 2023 Repurchase Program [Member] 2023 Repurchase Program Award Timing Disclosures [Line Items] Assets of discontinued operations held for sale - see Note J Disposal Group, Including Discontinued Operation, Assets, Current Additional borrowings Debt outstanding Total Long-Term Debt, Gross Schedule of Gains on Equity Securities Included in Recognized Gains and Losses Gain (Loss) on Securities [Table Text Block] Reclassification adjustments for unrealized gains and losses on unconsolidated affiliates, net of tax, included in net earnings, tax expense Other Comprehensive Income Loss Reclassification Adjustment For Net Unrealized Gains Losses On Unconsolidated Affiliates, Net Of Tax, Include Net Earnings. Tax Other Comprehensive Income Loss Reclassification Adjustment For Net Unrealized Gains Losses On Unconsolidated Affiliates, Net Of Tax, Include Net Earnings. Tax Owned investment (in shares) Investment Owned, Balance, Shares Net loss attributable to Cannae Holdings, Inc. common shareholders Net loss attributable to Dun & Bradstreet Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Net loss per share from discontinued operations (in usd per share) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share Equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Less: net (losses) gains recognized during the period on equity securities sold, transferred or disposed during the period Equity Securities, FV-NI, Unrealized Gain (Loss) Schedule of Investments, Aggregate Fair Value of Ownership and Equity in Earnings of Unconsolidated Affiliates Equity Method Investments [Table Text Block] Property and equipment, net Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred stock authorized (in shares) Preferred Stock, Shares Authorized Treasury stock repurchases Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Wine Direct Fulfillment Wine Direct Fulfillment [Member] Wine Direct Fulfillment Paysafe Paysafe [Member] Paysafe Entity Current Reporting Status Entity Current Reporting Status MSA Termination Agreement, monthly installment of management fees payable, amount Management Services Agreement, Termination Agreement , Monthly Installment Of Management Fees Payable, Amount Management Services Agreement, Termination Agreement , Monthly Installment Of Management Fees Payable, Amount Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Operating loss Operating loss Operating income Operating Income (Loss) Consolidated Entities [Domain] Consolidated Entities [Domain] Retained earnings Retained Earnings (Accumulated Deficit) Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] 2026 Recorded Unconditional Purchase Obligation, to be Paid, Year One Class of Stock [Axis] Class of Stock [Axis] Borrowings Proceeds from Issuance of Long-Term Debt Current Fiscal Year End Date Current Fiscal Year End Date Other Other Products And Services [Member] Other Products And Services [Member] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Statement [Table] Statement [Table] 2028 Recorded Unconditional Purchase Obligation, to be Paid, Year Three Clearlake Capital Group, L.P Clearlake Capital Group, L.P [Member] Clearlake Capital Group, L.P Put Right Derivative Liability Adjustments to reconcile net loss to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Equity Securities without Readily Determinable Fair Value [Table] Equity Securities without Readily Determinable Fair Value [Table] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Equity Securities without Readily Determinable Fair Value [Line Items] Equity Securities without Readily Determinable Fair Value [Line Items] Treasury shares issued for investment in JANA Stock Issued For Equity Investment, Value Stock Issued For Equity Investment, Value AmeriLife and Other AmeriLife and Other [Member] AmeriLife and Other Deferred revenue (contract liabilities) Contract with Customer, Liability Distributions from investments in unconsolidated affiliates Dividends received Proceeds from Equity Method Investment, Distribution Schedule of Fair Value of Assets and Liabilities Measured at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Vesting of shares held in trust (in shares) Share-Based Compensation Arrangement, Shares Vested, Held In Trust, Shares Share-Based Compensation Arrangement, Shares Vested, Held In Trust, Shares Other long-term investments and non-current assets Other Long Term Investments And Noncurrent Assets [Member] Other Long Term Investments And Noncurrent Assets Weighted Average Shares Outstanding Weighted Average Number of Shares Outstanding, Diluted [Abstract] All Adjustments to Compensation All Adjustments to Compensation [Member] Accounts payable and other accrued liabilities, current Accounts Payable and Accrued Liabilities, Current Amendment Flag Amendment Flag 2027 Long-Term Debt, Maturity, Year Two Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Difference between the historical cost of treasury stock and fair value upon reissuance for investment in JANA Noncash, Increase (Decrease) Treasury Stock, Historical Costs And Fair Value At Reissuance Noncash, Increase (Decrease) Difference Treasury Stock, Historical Costs And Fair Value At Reissuance Other Other Notes Payable [Member] Other Notes Payable [Member] Weighted average shares outstanding Cannae Holdings common stock, basic basis (in shares) Weighted Average Number of Shares Outstanding, Basic Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Cost of restaurant revenue Cost of revenue Cost of Product and Service Sold Sale of stock (in shares) Voting And Support Agreement, Number Of Owned Shares Of Equity Investment Permitted to Sell Prior To Close Or Termination Of Merger Agreement Voting And Support Agreement, Number Of Owned Shares Of Equity Investment Permitted to Sell Prior To Close Or Termination Of Merger Agreement Disposal Group Classification [Domain] Disposal Group Classification [Domain] MSA termination fee annual installments, payment period Management Services Agreement, Termination Fee Annual Installments, Payment Period Management Services Agreement, Termination Fee Annual Installments, Payment Period Related Party Transaction [Domain] Related Party Transaction [Domain] Segment Reporting [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Reclassification adjustments for unrealized gains and losses of unconsolidated affiliates, net of tax, included in net earnings Reclassification adjustments for unrealized gains and losses on unconsolidated affiliates, net of tax, included in net earnings Other Comprehensive Income Loss Reclassification Adjustment For Net Unrealized Gains Losses On Unconsolidated Affiliates, Net Of Tax, Include Net Earnings Other Comprehensive Income Loss Reclassification Adjustment For Net Unrealized Gains Losses On Unconsolidated Affiliates, Net Of Tax, Include Net Earnings Other income (expense): Nonoperating Income (Expense) [Abstract] Entity Tax Identification Number Entity Tax Identification Number Scenario [Domain] Scenario [Domain] Proceeds from sale of investments in unconsolidated affiliates Cash proceeds from WD transaction Proceeds from Sale of Equity Method Investments Schedule of Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Consolidated Entities [Axis] Consolidated Entities [Axis] Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Common stock issued (in shares) Common Stock, Shares, Issued Income taxes receivable Income Taxes Receivable, Current 2029 Long-Term Debt, Maturity, Year Four Unrealized (losses) gains recognized during the reporting period on equity securities held at the reporting date Equity Securities, FV-NI, Realized Gain (Loss) 2025 (remaining) Recorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year Terminated Amended Management Services Agreement Termination Fees Installment That Would Have Been Due Under The MSA July 1 2026 Terminated Amended Management Services Agreement Termination Fees Installment That Would Be Due Under The MSA July 1 2026 [Member] Terminated Amended Management Services Agreement Termination Fees Installment That Would Be Due Under The MSA July 1 2026 Management Estimates Use of Estimates, Policy [Policy Text Block] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Interest expense Interest expense Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Income taxes Increase (Decrease) in Income Taxes Payable Total Shareholder Return Amount Total Shareholder Return Amount Option to increase limit Line of Credit Facility, Accordion Feature, Increase Limit Line of Credit Facility, Accordion Feature, Increase Limit 2020 Margin Facility 2020 Margin Facility [Member] 2020 Margin Facility Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Interest, investment and other income Investment Income, Interest and Dividend 2025 (remaining) Long-Term Debt, Maturity, Remainder of Fiscal Year Total liabilities Liabilities Shares held and subject to put right, percentage Common Stock, Shares Held And Subject To Put Right, Percentage Common Stock, Shares Held And Subject To Put Right, Percentage Aggregate borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Proceeds from sales of Dayforce shares Proceeds From Equity Method Investments, One Proceeds From Equity Method Investments, One Operating expenses: Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Repurchase in excess of trading price, percentage Option Indexed to Issuer's Equity, Repurchase In Excess Of Trading Price, Percentage Option Indexed to Issuer's Equity, Repurchase In Excess Of Trading Price, Percentage Restaurant revenue Restaurant sales Restaurant Sales [Member] Restaurant Sales [Member] Asset Class [Domain] Asset Class [Domain] Terminated Amended Management Services Agreement Termination Fees Installment That Would Have Been Due Under MSA July 1 2025 Terminated Amended Management Services Agreement Termination Fees Installment That Would Be Due Under The MSA July 1 2025 [Member] Terminated Amended Management Services Agreement Termination Fees Installment That Would Be Due Under The MSA July 1 2025 Statement [Line Items] Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Change in deferred taxes Increase (Decrease) in Deferred Income Taxes Common Stock Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Payment Guarantee Payment Guarantee [Member] Net decrease in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Other operating revenue Total other operating revenue Other Operating Revenue [Member] Total Other Operating Revenue [Member]