| Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement | 320.00M | as of 2025-12-31 |
| Long-term Debt, Fair Value | 37.30B | as of 2025-12-31 |
| Equity Securities, FV-NI, Unrealized Gain (Loss) | 385.00M | 2025-10-01 → 2025-12-31 |
| Loss Contingency, Range of Possible Loss, Portion Not Accrued | 400.00M | as of 2025-12-31 |
| Equity Securities without Readily Determinable Fair Value, Amount | 5.00B | as of 2025-12-31 |
| Accrued Income Taxes, Noncurrent | 27.26B | as of 2025-12-31 |
| Dividends, Common Stock, Cash | 6.76B | 2025-10-01 → 2025-12-31 |
| Common Stocks, Including Additional Paid in Capital | 112.79B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Realized Gain | 19.00M | 2025-10-01 → 2025-12-31 |
| Debt Securities, Available-for-sale, Realized Loss | 9.00M | 2025-10-01 → 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year One | 3.00B | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Two | 2.07B | as of 2025-12-31 |
| Loss Contingency Accrual | 575.00M | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Three | 1.88B | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Year Four | 1.41B | as of 2025-12-31 |
| Revenue, Remaining Performance Obligation, Amount | 631.00B | as of 2025-12-31 |
| Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year | 2.06B | as of 2025-12-31 |
| Derivative Asset, Fair Value, Gross Liability | 196.00M | as of 2025-12-31 |
| Derivative Liability, Fair Value, Gross Asset | 197.00M | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost | 27.58B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Amortized Cost | 47.14B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Amortized Cost | 4.11B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Amortized Cost | 1.35B | as of 2025-12-31 |
| Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement | 907.00M | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value | 27.51B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value | 46.51B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Fair Value | 4.21B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value | 1.28B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 9.00M | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 1.14B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 1.15B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 830.00M | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 31.36B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Unrealized Loss Position | 32.20B | as of 2025-12-31 |
| Goodwill, Acquired During Period | 67.00M | 2025-07-01 → 2025-12-31 |
| Goodwill, Other Increase (Decrease) | 46.00M | 2025-07-01 → 2025-12-31 |
| Operating Lease, Cost | 1.74B | 2025-10-01 → 2025-12-31 |
| Right-of-Use Asset Obtained in Exchange for Finance Lease Liability | 6.33B | 2025-10-01 → 2025-12-31 |
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | 1.48B | 2025-10-01 → 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year One | 6.40B | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year Two | 6.47B | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year Three | 5.83B | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, Year Four | 5.72B | as of 2025-12-31 |
| Finance Lease, Liability, Payment, Due | 81.07B | as of 2025-12-31 |
| Finance Lease, Liability, to be Paid, Remainder of Fiscal Year | 3.06B | as of 2025-12-31 |
| Finance Lease, Liability, Undiscounted Excess Amount | 20.92B | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year One | 5.81B | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Two | 4.08B | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Three | 2.89B | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Year Four | 2.36B | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid | 25.58B | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year | 3.25B | as of 2025-12-31 |
| Derivative, Collateral, Right to Reclaim Cash | 0 | as of 2025-12-31 |
| Derivative, Collateral, Obligation to Return Cash | 73.00M | as of 2025-12-31 |
| Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 2.72B | as of 2025-12-31 |
| Long-term Debt, Gross | 46.21B | as of 2025-12-31 |
| Long-Term Debt, Maturity, Year One | 9.25B | as of 2025-12-31 |
| Long-Term Debt, Maturity, Year Two | 0 | as of 2025-12-31 |
| Long-Term Debt, Maturity, Year Three | 2.06B | as of 2025-12-31 |
| Long-Term Debt, Maturity, Year Four | 0 | as of 2025-12-31 |
| Long-Term Debt, Maturity, Remainder of Fiscal Year | 0 | as of 2025-12-31 |
| Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net | 1.12B | as of 2025-12-31 |
| Debt Securities, Available-for-sale, Amortized Cost | 80.17B | as of 2025-12-31 |
| Derivative Liability, Fair Value, Gross Liability | 902.00M | as of 2025-12-31 |
| Derivative Asset, Fair Value, Gross Asset | 295.00M | as of 2025-12-31 |