| Current Federal Tax Expense (Benefit) | 39.00M | 2025-01-01 → 2025-12-31 |
| Current State and Local Tax Expense (Benefit) | 42.00M | 2025-01-01 → 2025-12-31 |
| Current Foreign Tax Expense (Benefit) | 224.00M | 2025-01-01 → 2025-12-31 |
| Deferred Federal Income Tax Expense (Benefit) | 94.00M | 2025-01-01 → 2025-12-31 |
| Deferred State and Local Income Tax Expense (Benefit) | -8.00M | 2025-01-01 → 2025-12-31 |
| Deferred Foreign Income Tax Expense (Benefit) | -23.00M | 2025-01-01 → 2025-12-31 |
| Operating Lease, Liability, Current | 131.00M | as of 2025-12-31 |
| Federal Income Tax Expense (Benefit), Continuing Operations | 133.00M | 2025-01-01 → 2025-12-31 |
| State and Local Income Tax Expense (Benefit), Continuing Operations | 34.00M | 2025-01-01 → 2025-12-31 |
| Foreign Income Tax Expense (Benefit), Continuing Operations | 201.00M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | 393.00M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount | 25.00M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount | 1.00M | 2025-01-01 → 2025-12-31 |
| EffectiveIncomeTaxRateReconciliationCrossBorderOtherAmount | 16.00M | 2025-01-01 → 2025-12-31 |
| Long-term Debt, Fair Value | 12.18B | as of 2025-12-31 |
| Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | 137.00M | as of 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Tax Credit, Amount | 19.00M | 2025-01-01 → 2025-12-31 |
| Contract with Customer, Liability, Revenue Recognized | 423.00M | 2025-01-01 → 2025-12-31 |
| Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination | 326.00M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount | 5.00M | 2025-01-01 → 2025-12-31 |
| Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred | 21.00M | 2025-01-01 → 2025-12-31 |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other | 1.09B | as of 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Tax Contingency, Amount | 8.00M | 2025-01-01 → 2025-12-31 |
| Dividends, Common Stock, Cash | 674.00M | 2025-01-01 → 2025-12-31 |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment | 154.00M | as of 2025-12-31 |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets | 268.00M | as of 2025-12-31 |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets | 20.54B | as of 2025-12-31 |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities | 1.03B | as of 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | 41.00M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount | -77.00M | 2025-01-01 → 2025-12-31 |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities | 1.51B | as of 2025-12-31 |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities | 4.19B | as of 2025-12-31 |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net | 16.35B | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year One | 1.10B | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Two | 1.07B | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Three | 1.03B | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Four | 973.00M | as of 2025-12-31 |
| Revenue, Remaining Performance Obligation, Amount | 892.00M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Five | 917.00M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, after Year Five | 5.59B | as of 2025-12-31 |
| Defined Benefit Plan, Service Cost | 1.00M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Interest Cost | 16.00M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Expected Return (Loss) on Plan Assets | 15.00M | 2025-01-01 → 2025-12-31 |
| Derivative, Notional Amount | 1.90B | as of 2025-12-31 |
| Capitalized Contract Cost, Accumulated Amortization | 909.00M | as of 2025-12-31 |
| Defined Benefit Plan, Amortization of Gain (Loss) | 0 | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | 18.00M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Amount | 20.00M | as of 2025-12-31 |
| Defined Benefit Plan, Benefit Obligation | 3.00M | as of 2025-12-31 |
| Impairment of Intangible Assets (Excluding Goodwill) | 66.00M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Funded (Unfunded) Status of Plan | 17.00M | as of 2025-12-31 |
| Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) | -2.00M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Benefit Obligation, Benefits Paid | 19.00M | 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 Settlement | 293.00M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) | 19.00M | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Contributions by Employer | 1.00M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Operating Loss Carryforwards | 270.00M | as of 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Benefits Paid | 19.00M | 2025-01-01 → 2025-12-31 |
| Stock Issued During Period, Value, New Issues | 1.25B | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Business Combination | 0 | 2025-01-01 → 2025-12-31 |
| Goodwill, Acquired During Period | 9.90B | 2025-01-01 → 2025-12-31 |
| Defined Benefit Plan, Plan Assets, Payment for Settlement | 293.00M | 2025-01-01 → 2025-12-31 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value | 320.00M | as of 2025-12-31 |
| Goodwill, Written off Related to Sale of Business Unit | 20.00M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Tax Credit Carryforwards | 713.00M | as of 2025-12-31 |
| Goodwill, Purchase Accounting Adjustments | 41.00M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Capital Loss Carryforwards | 56.00M | as of 2025-12-31 |
| Goodwill, Translation and Purchase Accounting Adjustments | 398.00M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost | 113.00M | as of 2025-12-31 |
| Unrecorded Unconditional Purchase Obligation | 72.00M | as of 2025-12-31 |
| Lease, Cost | 197.00M | 2025-01-01 → 2025-12-31 |
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | 343.00M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities | 176.00M | as of 2025-12-31 |
| Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Cost Expensed | 50.00M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Property, Plant and Equipment | 0 | as of 2025-12-31 |
| Deferred Tax Assets, Goodwill and Intangible Assets | 560.00M | as of 2025-12-31 |
| Business Acquisition, Pro Forma Revenue | 16.26B | 2025-01-01 → 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year One | 173.00M | as of 2025-12-31 |
| Business Acquisition, Pro Forma Net Income (Loss) | 4.00M | 2025-01-01 → 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Two | 148.00M | as of 2025-12-31 |
| Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax | 0 | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Three | 111.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Four | 84.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Five | 73.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, after Year Five | 184.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid | 773.00M | as of 2025-12-31 |
| Defined Benefit Plan, Amount Recognized in Net Periodic Benefit Cost (Credit) and Other Comprehensive (Income) Loss, before Tax | 0 | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Other | 7.00M | as of 2025-12-31 |
| Deferred Tax Asset, Interest Carryforward | 174.00M | as of 2025-12-31 |
| Deferred Tax Assets, Gross | 2.73B | as of 2025-12-31 |
| Deferred Tax Assets, Valuation Allowance | 264.00M | as of 2025-12-31 |
| Deferred Tax Assets, Net of Valuation Allowance | 2.46B | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 127.00M | as of 2025-12-31 |
| Deferred Tax Liabilities, Gross | 2.74B | as of 2025-12-31 |
| Deferred Tax Liabilities, Property, Plant and Equipment | 22.00M | as of 2025-12-31 |
| Debt, Long-term and Short-term, Combined Amount | 12.97B | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year One | 17.00M | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year Two | 0 | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year Three | 0 | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year Four | 0 | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, Year Five | 0 | as of 2025-12-31 |
| Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years | 0 | as of 2025-12-31 |
| Deferred Tax Liabilities, Intangible Assets | 2.37B | as of 2025-12-31 |
| Deferred Tax Liabilities, Other | 4.00M | as of 2025-12-31 |
| Deferred Tax Liabilities, Net | 277.00M | as of 2025-12-31 |
| Defined Contribution Plan, Employer Discretionary Contribution Amount | 0 | 2025-01-01 → 2025-12-31 |
| Operating Loss Carryforwards | 40.00M | as of 2025-12-31 |
| Debt Instrument, Unamortized Discount | 48.00M | as of 2025-12-31 |
| Construction Contractor, Receivable, Excluding Contract Retainage | 636.00M | as of 2025-12-31 |
| Unrecognized Tax Benefits | 30.00M | as of 2025-12-31 |
| Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions | 1.00M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions | 0 | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | 5.00M | 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 | 1.00M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 30.00M | as of 2025-12-31 |
| Unbilled Contracts Receivable | 1.86B | as of 2025-12-31 |
| Income (Loss) from Continuing Operations before Income Taxes, Domestic | 1.21B | 2025-01-01 → 2025-12-31 |
| Income (Loss) from Continuing Operations before Income Taxes, Foreign | 660.00M | 2025-01-01 → 2025-12-31 |