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Long-Term Debt, Maturity, Year One Entity Address, City Entity Address, City or Town Lessee, Leases [Policy Text Block] Lessee, Leases [Policy Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Revenue Recognition [Abstract] Revenue Recognition [Abstract] Net Income Net Income (Loss) Attributable to Parent Schedule of Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Finance Lease, Expense Finance Lease, Expense Finance Lease, Expense Entity File Number Entity File Number Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Federal Reserve Bank Advances Federal Reserve Bank Advances [Member] Derivative investments, net Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Document Fiscal Year Focus Document Fiscal Year Focus Income Statement [Abstract] Income Statement [Abstract] Entity Address, Street Address Entity Address, Address Line One Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Total Assets at Fair Value Assets, Fair Value Disclosure Remainder of 2025 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Remaining Lease Term 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Five Document Period End Date Document Period End Date Class B Common Stock, Class B-2 [Member] Class B Common Stock, Class B2 [member] Class B Common Stock, Class B2 [Member] Finance Lease, Liability, Current Finance Lease, Liability, Current Other Other Noncash Income (Expense) Total Operating Lease Payments Lessee, Operating Lease, Liability, to be Paid Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three EBS Foreign Exchange EBS Foreign Exchange [Member] EBS Foreign Exchange Stock-based compensation Shares Granted, Value, Share-Based Payment Arrangement, before Forfeiture Class B Common Stock, Class B-1 [Member] Class B Common Stock, Class B1 [member] Class B Common Stock, Class B1 [Member] Long-term restricted cash Restricted Cash and Cash Equivalents, Noncurrent Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Lessee, Operating Lease, Renewal Term Operating Lease Renewal Term Operating Lease Renewal Term Investments in privately-held equity investments Payments to Acquire Other Investments Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Retained Earnings [Member] Retained Earnings [Member] Contingent liability to SGX, amount of irrevocable letters of credit Guarantee Collateral Guarantee Collateral Basic (in shares) Weighted Average Number of Shares Outstanding, Basic $500.0 Million Fixed Rate Notes Due June 2028, stated rate of 3.75% [Member] [Domain] $750 Million Fixed Rate Notes Due March 2030, Interest Equal To 4.4% [Domain] $750 Million Fixed Rate Notes Due March 2030, Interest Equal To 4.4% Income tax benefit (expense) OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax Change in performance bond and guaranty fund contributions Change in performance bond and guaranty fund contributions Change in performance bond and guaranty fund contributions Entity Filer Category Entity Filer Category Nonrecurring fair value [Abstract] Nonrecurring fair value [Abstract] Nonrecurring fair value [Abstract] Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Purchases of available-for-sale marketable securities Payments to Acquire Debt Securities, Available-for-Sale