| Current Federal Tax Expense (Benefit) | 807.00M | 2025-01-01 → 2025-12-31 |
| Current State and Local Tax Expense (Benefit) | 169.00M | 2025-01-01 → 2025-12-31 |
| Current Foreign Tax Expense (Benefit) | 191.00M | 2025-01-01 → 2025-12-31 |
| Current Income Tax Expense (Benefit) | 1.17B | 2025-01-01 → 2025-12-31 |
| Deferred Federal Income Tax Expense (Benefit) | -69.00M | 2025-01-01 → 2025-12-31 |
| Deferred State and Local Income Tax Expense (Benefit) | -52.00M | 2025-01-01 → 2025-12-31 |
| Deferred Foreign Income Tax Expense (Benefit) | 447.00M | 2025-01-01 → 2025-12-31 |
| Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization | 3.65B | as of 2025-12-31 |
| Share-based Payment Arrangement, Expense | 291.00M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | 1.63B | 2025-01-01 → 2025-12-31 |
| Equity Securities, FV-NI, Cost | 78.00M | as of 2025-12-31 |
| Share-based Payment Arrangement, Expense, Tax Benefit | 69.00M | 2025-01-01 → 2025-12-31 |
| EffectiveIncomeTaxRateReconciliationGiltiAmount | 127.00M | 2025-01-01 → 2025-12-31 |
| EffectiveIncomeTaxRateReconciliationCrossBorderOtherAmount | 11.00M | 2025-01-01 → 2025-12-31 |
| EffectiveIncomeTaxRateReconciliationTaxCreditEnergyRelatedAmount | 102.00M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Tax Credit, Amount | 83.00M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount | 13.00M | 2025-01-01 → 2025-12-31 |
| Equity Securities without Readily Determinable Fair Value, Amount | 3.46B | as of 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Tax Contingency, Amount | 37.00M | 2025-01-01 → 2025-12-31 |
| Dividends, Common Stock, Cash | 1.61B | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Disposition of Business, Amount | -173.00M | 2025-01-01 → 2025-12-31 |
| Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount | 3.00M | 2025-01-01 → 2025-12-31 |
| SupplierFinanceProgramObligationIncrease | 39.11B | 2025-01-01 → 2025-12-31 |
| SupplierFinanceProgramObligationDecreaseSettlement | 39.14B | 2025-01-01 → 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year One | 2.36B | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Two | 2.24B | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Three | 2.06B | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Four | 1.82B | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Five | 1.59B | as of 2025-12-31 |
| Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One | 695.00M | as of 2025-12-31 |
| Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five | 3.70B | as of 2025-12-31 |
| Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 | 2.03B | as of 2025-12-31 |
| Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 | 1.97B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost | 267.00M | as of 2025-12-31 |
| Treasury Stock, Value, Acquired, Cost Method | 3.59B | 2025-01-01 → 2025-12-31 |
| Intangible Assets, Gross (Excluding Goodwill) | 39.37B | as of 2025-12-31 |
| Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One | 598.00M | as of 2025-12-31 |
| Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five | 3.70B | as of 2025-12-31 |
| Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 | 2.00B | as of 2025-12-31 |
| Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 | 1.82B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value | 244.00M | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 367.00M | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 206.00M | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 367.00M | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Unrealized Loss Position | 3.73B | as of 2025-12-31 |
| Goodwill, Acquired During Period | 548.00M | 2025-01-01 → 2025-12-31 |
| Deferred Tax Assets, Capital Loss Carryforwards | 237.00M | as of 2025-12-31 |
| Retained Earnings, Undistributed Earnings from Equity Method Investees | 1.60B | as of 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits | 190.00M | as of 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Impairment Losses | 587.00M | as of 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other | 321.00M | as of 2025-12-31 |
| Deferred Tax Assets, Other | 339.00M | as of 2025-12-31 |
| Deferred Tax Assets, Gross | 3.85B | as of 2025-12-31 |
| Deferred Tax Assets, Valuation Allowance | 2.37B | as of 2025-12-31 |
| Deferred Tax Assets, Net of Valuation Allowance | 1.47B | as of 2025-12-31 |
| Deferred Tax Liabilities, Gross | 8.16B | as of 2025-12-31 |
| Deferred Tax Liabilities, Property, Plant and Equipment | 602.00M | as of 2025-12-31 |
| Deferred Tax Liabilities, Goodwill and Intangible Assets | 7.56B | as of 2025-12-31 |
| Deferred Tax Liabilities, Net | 6.69B | as of 2025-12-31 |
| Long-Term Debt, Maturity, Year One | 550.00M | as of 2025-12-31 |
| Defined Contribution Plan, Cost | 280.00M | 2025-01-01 → 2025-12-31 |
| Long-Term Debt, Maturity, Year Two | 2.36B | as of 2025-12-31 |
| Long-Term Debt, Maturity, Year Three | 3.80B | as of 2025-12-31 |
| Long-Term Debt, Maturity, Year Four | 1.00B | as of 2025-12-31 |
| Long-Term Debt, Maturity, Year Five | 2.40B | as of 2025-12-31 |
| Long-Term Debt, Maturity, after Year Five | 21.48B | as of 2025-12-31 |
| Unrecognized Tax Benefits | 1.54B | as of 2025-12-31 |
| Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions | 50.00M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | 187.00M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities | 62.00M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations | 14.00M | 2025-01-01 → 2025-12-31 |
| Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 223.00M | as of 2025-12-31 |
| Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries | 11.30B | as of 2025-12-31 |
| MarketRiskBenefitBeforeReinsuranceAndCumulativeIncreaseDecreaseFromInstrumentSpecificCreditRiskChange | 714.00M | as of 2025-12-31 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 896.00M | as of 2025-12-31 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | -90.00M | 2025-01-01 → 2025-12-31 |
| MarketRiskBenefitIncreaseDecreaseFromActualPolicyholderBehaviorDifferentFromExpected | -24.00M | 2025-01-01 → 2025-12-31 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 33.00M | 2025-01-01 → 2025-12-31 |
| MarketRiskBenefitIncreaseDecreaseFromOtherAssumption | -17.00M | 2025-01-01 → 2025-12-31 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 655.00M | 2025-01-01 → 2025-12-31 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | 8.00M | 2025-01-01 → 2025-12-31 |
| AociMarketRiskBenefitInstrumentSpecificCreditRiskBeforeTax | 40.00M | as of 2025-12-31 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | 105.00M | 2025-01-01 → 2025-12-31 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements) | 542.00M | 2025-01-01 → 2025-12-31 |
| MarketRiskBenefitReinsuranceRecoverableAfterAllowance | 712.00M | as of 2025-12-31 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 59.00M | 2025-01-01 → 2025-12-31 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 65.00M | 2025-01-01 → 2025-12-31 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net | -6.00M | 2025-01-01 → 2025-12-31 |
| Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) | 19.00M | 2025-01-01 → 2025-12-31 |
| MarketRiskBenefitLiabilityAmount | 674.00M | as of 2025-12-31 |
| Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Policyholder Liabilities | 241.00M | as of 2025-12-31 |
| Deferred Tax Liabilities, Deferred Expense, Deferred Policy Acquisition Cost | 0 | as of 2025-12-31 |
| Statutory Accounting Practices, Statutory Capital and Surplus Required | 4.50B | as of 2025-12-31 |
| Statutory Capital and Surplus Applying National Association of Insurance Commissioners (NAIC) Practices | 13.00B | as of 2025-12-31 |
| Statutory Accounting Practices, Statutory Net Income Amount | 3.70B | 2025-01-01 → 2025-12-31 |
| Statutory Accounting Practices, Statutory Amount Available for Dividend Payments | 2.00B | as of 2025-12-31 |
| Assets Held by Insurance Regulators | 300.00M | as of 2025-12-31 |