| Current Federal Tax Expense (Benefit) | 102.33M | 2025-01-01 → 2025-12-31 |
| Current State and Local Tax Expense (Benefit) | 22.25M | 2025-01-01 → 2025-12-31 |
| Current Foreign Tax Expense (Benefit) | 373.06M | 2025-01-01 → 2025-12-31 |
| Current Income Tax Expense (Benefit) | 497.63M | 2025-01-01 → 2025-12-31 |
| Capitalized Computer Software, Net | 401.00M | as of 2025-12-31 |
| Deferred Federal Income Tax Expense (Benefit) | -40.32M | 2025-01-01 → 2025-12-31 |
| Capitalized Computer Software, Additions | 174.30M | 2025-01-01 → 2025-12-31 |
| Deferred State and Local Income Tax Expense (Benefit) | 4.41M | 2025-01-01 → 2025-12-31 |
| Capitalized Computer Software, Amortization | 102.90M | 2025-01-01 → 2025-12-31 |
| Deferred Foreign Income Tax Expense (Benefit) | 8.01M | 2025-01-01 → 2025-12-31 |
| Operating Lease, Liability, Current | 29.24M | as of 2025-12-31 |
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 8.00M | 2025-01-01 → 2025-12-31 |
| Prepaid Expense and Other Assets, Current | 1.00B | as of 2025-12-31 |
| Other Accrued Liabilities, Current | 107.09M | as of 2025-12-31 |
| Accrued Salaries, Current | 69.51M | as of 2025-12-31 |
| Accrued Bonuses, Current | 35.15M | as of 2025-12-31 |
| Adjustment for Long-term Intercompany Transactions, Net of Tax | 78.20M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | 323.75M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount | 21.06M | 2025-01-01 → 2025-12-31 |
| Share-based Payment Arrangement, Expense, Tax Benefit | 38.10M | 2025-01-01 → 2025-12-31 |
| EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount | 17.10M | 2025-01-01 → 2025-12-31 |
| Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | 87.23M | as of 2025-12-31 |
| Contract with Customer, Liability, Revenue Recognized | 27.80M | 2025-01-01 → 2025-12-31 |
| Equity Securities without Readily Determinable Fair Value, Amount | 601.90M | as of 2025-12-31 |
| Noncontrolling Interest, Change in Redemption Value | -1.48M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Tax Contingency, Amount | 19.78M | 2025-01-01 → 2025-12-31 |
| Finite Lived Intangible Assets, Foreign Currency Translation Gain (Loss) | -75.90M | 2025-01-01 → 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year One | 326.62M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Two | 312.88M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Three | 301.07M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Four | 277.46M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Five | 264.74M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, after Year Five | 1.31B | as of 2025-12-31 |
| Treasury Stock, Value, Acquired, Cost Method | 787.61M | 2025-01-01 → 2025-12-31 |
| Intangible Assets, Gross (Excluding Goodwill) | 5.46B | as of 2025-12-31 |
| Derivative, Notional Amount | 123.90B | as of 2025-12-31 |
| Deferred Tax Assets, Operating Loss Carryforwards, Foreign | 116.50M | as of 2025-12-31 |
| Deferred Tax Assets, Operating Loss Carryforwards, State and Local | 57.90M | as of 2025-12-31 |
| Deferred Tax Assets, Operating Loss Carryforwards | 174.48M | as of 2025-12-31 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | 206.04M | as of 2025-12-31 |
| Stock Issued During Period, Value, New Issues | 67.77M | 2025-01-01 → 2025-12-31 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value | 86.90M | 2025-01-01 → 2025-12-31 |
| Goodwill, Acquired During Period | 1.34B | 2025-01-01 → 2025-12-31 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value | 178.40M | as of 2025-12-31 |
| Goodwill, Written off Related to Sale of Business Unit | 0 | 2025-01-01 → 2025-12-31 |
| Goodwill, Foreign Currency Translation Gain (Loss) | 242.07M | 2025-01-01 → 2025-12-31 |
| Goodwill, Purchase Accounting Adjustments | 1.77M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation | 29.30M | as of 2025-12-31 |
| Goodwill, Impaired, Accumulated Impairment Loss | 90.00M | as of 2025-12-31 |
| Lease, Cost | 28.00M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts | 34.42M | as of 2025-12-31 |
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | 30.43M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent | 15.11M | as of 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities | 20.55M | as of 2025-12-31 |
| Accounts Receivable, Allowance for Credit Loss, Writeoff | 104.75M | 2025-01-01 → 2025-12-31 |
| Accounts Receivable, Allowance for Credit Loss, Recovery | 7.69M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Derivative Instruments | 39.90M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year One | 30.08M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Two | 26.96M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Three | 18.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Four | 14.46M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Five | 11.66M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, after Year Five | 28.70M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid | 129.86M | as of 2025-12-31 |
| Deferred Tax Assets, Other | 28.58M | as of 2025-12-31 |
| Deferred Tax Assets, Gross | 485.04M | as of 2025-12-31 |
| Deferred Tax Assets, Valuation Allowance | 127.15M | as of 2025-12-31 |
| Deferred Tax Assets, Net of Valuation Allowance | 357.89M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 15.34M | as of 2025-12-31 |
| Deferred Tax Liabilities, Gross | 967.58M | as of 2025-12-31 |
| Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | 13.90M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Liabilities, Property, Plant and Equipment | 51.13M | as of 2025-12-31 |
| Deferred Tax Liabilities, Prepaid Expenses | 690.00K | as of 2025-12-31 |
| Assets, Fair Value Disclosure | 2.29B | as of 2025-12-31 |
| Deferred Tax Liabilities, Derivatives | 0 | as of 2025-12-31 |
| Deferred Tax Liabilities, Undistributed Foreign Earnings | 43.81M | as of 2025-12-31 |
| Deferred Tax Liabilities, Leasing Arrangements | 13.51M | as of 2025-12-31 |
| Deferred Tax Liabilities, Goodwill and Intangible Assets | 849.94M | as of 2025-12-31 |
| Deferred Tax Liabilities, Net | 609.69M | as of 2025-12-31 |
| Deferred Tax Liabilities, Deferred Expense, Reserves and Accruals | 661.00K | as of 2025-12-31 |
| Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net | 16.10M | as of 2025-12-31 |
| Unrecognized Tax Benefits | 134.92M | as of 2025-12-31 |
| Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions | 9.85M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | 40.80M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations | 11.19M | 2025-01-01 → 2025-12-31 |
| Income (Loss) from Continuing Operations before Income Taxes, Domestic | 289.05M | 2025-01-01 → 2025-12-31 |
| Income (Loss) from Continuing Operations before Income Taxes, Foreign | 1.25B | 2025-01-01 → 2025-12-31 |
| APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 102.64M | 2025-01-01 → 2025-12-31 |