| Current Federal Tax Expense (Benefit) | 104.48M | 2025-01-01 → 2025-12-31 |
| Current State and Local Tax Expense (Benefit) | 36.62M | 2025-01-01 → 2025-12-31 |
| Current Foreign Tax Expense (Benefit) | 95.79M | 2025-01-01 → 2025-12-31 |
| Current Income Tax Expense (Benefit) | 236.88M | 2025-01-01 → 2025-12-31 |
| Capitalized Computer Software, Net | 101.80M | as of 2025-12-31 |
| Deferred Federal Income Tax Expense (Benefit) | -9.58M | 2025-01-01 → 2025-12-31 |
| Deferred State and Local Income Tax Expense (Benefit) | -1.83M | 2025-01-01 → 2025-12-31 |
| Capitalized Computer Software, Amortization | 68.40M | 2025-01-01 → 2025-12-31 |
| Deferred Foreign Income Tax Expense (Benefit) | 17.39M | 2025-01-01 → 2025-12-31 |
| Operating Lease, Liability, Current | 96.08M | as of 2025-12-31 |
| Accrued Sales Commission, Current | 179.42M | as of 2025-12-31 |
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 25.90M | 2025-01-01 → 2025-12-31 |
| Prepaid Expense and Other Assets, Current | 152.21M | as of 2025-12-31 |
| Other Accrued Liabilities, Current | 200.55M | as of 2025-12-31 |
| Money Market Funds, at Carrying Value | 19.20M | as of 2025-12-31 |
| Accrued Bonuses, Current | 298.30M | as of 2025-12-31 |
| SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount | 5.00M | as of 2025-12-31 |
| Share-based Payment Arrangement, Expense | 155.90M | 2025-01-01 → 2025-12-31 |
| Other Assets, Miscellaneous, Noncurrent | 82.97M | as of 2025-12-31 |
| SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense | -1.00M | 2025-01-01 → 2025-12-31 |
| SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | 2.50M | 2025-01-01 → 2025-12-31 |
| Deferred Compensation Arrangement with Individual, Compensation Expense | 1.30M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | 203.31M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount | 26.17M | 2025-01-01 → 2025-12-31 |
| EffectiveIncomeTaxRateReconciliationGiltiAmount | 10.87M | 2025-01-01 → 2025-12-31 |
| EffectiveIncomeTaxRateReconciliationCrossBorderOtherAmount | 6.37M | 2025-01-01 → 2025-12-31 |
| Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | 155.50M | as of 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Tax Credit, Amount | 4.00M | 2025-01-01 → 2025-12-31 |
| Contract with Customer, Liability, Revenue Recognized | 2.40B | 2025-01-01 → 2025-12-31 |
| Insured Event, Gain (Loss) | 0 | 2025-01-01 → 2025-12-31 |
| Derivative, Gain (Loss) on Derivative, Net | -16.12M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount | 23.56M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount | -152.00K | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Tax Contingency, Amount | 6.53M | 2025-01-01 → 2025-12-31 |
| Finite Lived Intangible Assets, Foreign Currency Translation Gain (Loss) | -23.43M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | 3.05M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Other Adjustments, Amount | -15.10M | 2025-01-01 → 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year One | 80.19M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Two | 79.58M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Three | 78.11M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Four | 78.03M | as of 2025-12-31 |
| Revenue, Remaining Performance Obligation, Amount | 6.40B | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Five | 20.38M | as of 2025-12-31 |
| Defined Benefit Plan, Service Cost | 7.25M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Interest Cost | 3.10M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Expected Return (Loss) on Plan Assets | 1.51M | 2025-01-01 → 2025-12-31 |
| Long-Lived Assets | 941.96M | as of 2025-12-31 |
| Defined Benefit Plan, Actuarial Gain (Loss), Immediate Recognition as Component in Net Periodic Benefit (Cost) Credit | -262.00K | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Other Cost (Credit) | 0 | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | 9.11M | 2025-01-01 → 2025-12-31 |
| StockRepurchaseProgramAuthorizedAmount1 | 7.00B | as of 2025-12-31 |
| Stock Repurchase Program, Remaining Authorized Repurchase Amount | 700.00M | as of 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Amount | 44.84M | as of 2025-12-31 |
| Defined Benefit Plan, Benefit Obligation | 81.80M | as of 2025-12-31 |
| Defined Benefit Plan, Funded (Unfunded) Status of Plan | -36.96M | as of 2025-12-31 |
| Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) | -5.57M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Benefit Obligation, Benefits Paid | 4.18M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Benefit Obligation, Business Combination | 0 | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change | 1.04M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) | 4.71M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) | 1.46M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Contributions by Employer | 7.92M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Benefits Paid | 4.18M | 2025-01-01 → 2025-12-31 |
| Stock Repurchased During Period, Value | 2.00B | 2025-01-01 → 2025-12-31 |
| Goodwill, Foreign Currency Translation Gain (Loss) | -9.65M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost | 40.08M | as of 2025-12-31 |
| Operating Lease, Cost | 88.02M | 2025-01-01 → 2025-12-31 |
| Goodwill, Impaired, Accumulated Impairment Loss | 150.00M | as of 2025-12-31 |
| Results of Operations, Income before Income Taxes | 968.12M | 2025-01-01 → 2025-12-31 |
| Variable Lease, Cost | 19.11M | 2025-01-01 → 2025-12-31 |
| Lease, Cost | 57.43M | 2025-01-01 → 2025-12-31 |
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | 22.66M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Property, Plant and Equipment | 5.48M | as of 2025-12-31 |
| Deferred Tax Assets, Goodwill and Intangible Assets | 0 | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year One | 109.24M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Two | 99.87M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Three | 49.82M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Four | 39.63M | as of 2025-12-31 |
| Accumulated Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Tax | -5.94M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Five | 31.83M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, after Year Five | 100.41M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid | 430.80M | as of 2025-12-31 |
| Deferred Tax Assets, Other | 7.55M | as of 2025-12-31 |
| Deferred Tax Assets, Gross | 387.41M | as of 2025-12-31 |
| Deferred Tax Assets, Valuation Allowance | 86.79M | as of 2025-12-31 |
| Deferred Tax Assets, Net of Valuation Allowance | 300.62M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 64.53M | as of 2025-12-31 |
| Deferred Tax Liabilities, Gross | 84.50M | as of 2025-12-31 |
| Deferred Tax Assets, Net | 216.12M | as of 2025-12-31 |
| Long-term Debt, Gross | 3.00B | as of 2025-12-31 |
| Deferred Tax Liabilities, Prepaid Expenses | 70.16M | as of 2025-12-31 |
| Debt, Long-term and Short-term, Combined Amount | 2.98B | as of 2025-12-31 |
| Assets, Fair Value Disclosure | 176.31M | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year One | 4.70M | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year Two | 5.10M | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year Three | 6.30M | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year Four | 6.70M | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year Five | 7.20M | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years | 40.30M | as of 2025-12-31 |
| Financial and Nonfinancial Liabilities, Fair Value Disclosure | 179.27M | as of 2025-12-31 |
| Deferred Tax Liabilities, Intangible Assets | 1.88M | as of 2025-12-31 |
| Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent | -10.00M | 2025-01-01 → 2025-12-31 |
| OCI, before Reclassifications, before Tax, Attributable to Parent | 37.32M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Liabilities, Other | 12.47M | as of 2025-12-31 |
| Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation | 72.43M | as of 2025-12-31 |
| Undistributed Earnings of Foreign Subsidiaries | 107.30M | as of 2025-12-31 |
| Defined Contribution Plan, Cost | 58.40M | 2025-01-01 → 2025-12-31 |
| Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount | 7.20K | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits | 301.58M | as of 2025-12-31 |
| Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions | 4.89M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions | 130.00K | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | 41.47M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions | 0 | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities | 0 | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations | 7.91M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Increase Resulting from Foreign Currency Translation | 5.74M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 295.70M | as of 2025-12-31 |
| Lessor, Operating Lease, Payment to be Received, Year One | 46.27M | as of 2025-12-31 |
| Lessor, Operating Lease, Payment to be Received, Year Two | 46.44M | as of 2025-12-31 |
| Lessor, Operating Lease, Payment to be Received, Year Three | 6.65M | as of 2025-12-31 |
| Lessor, Operating Lease, Payment to be Received, Year Four | 2.92M | as of 2025-12-31 |
| Lessor, Operating Lease, Payment to be Received, Year Five | 2.37M | as of 2025-12-31 |
| Lessor, Operating Lease, Payment to be Received, after Year Five | 3.02M | as of 2025-12-31 |
| Lessor, Operating Lease, Payments to be Received | 107.67M | as of 2025-12-31 |
| Income Tax Examination, Penalties and Interest Expense | 4.30M | 2025-01-01 → 2025-12-31 |
| Income (Loss) from Continuing Operations before Income Taxes, Domestic | 302.39M | 2025-01-01 → 2025-12-31 |
| Income (Loss) from Continuing Operations before Income Taxes, Foreign | 665.73M | 2025-01-01 → 2025-12-31 |
| Debt Issuance Costs, Line of Credit Arrangements, Net | 23.33M | as of 2025-12-31 |
| APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 155.88M | 2025-01-01 → 2025-12-31 |