Derivative Financial Instruments and Risk Management - Schedule of Amounts Recorded in the Consolidated Statements of Financial Position Related to Cumulative Basis Adjustments for Fair Value Hedges (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Derivatives, Fair Value | ||
| Carrying Value of the Hedged Liabilities | $ 4,429 | $ 3,953 |
| Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Value of the Hedged Liabilities | 30 | 54 |
| Current maturities of long-term debt | ||
| Derivatives, Fair Value | ||
| Carrying Value of the Hedged Liabilities | 1,103 | 602 |
| Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Value of the Hedged Liabilities | 4 | 3 |
| Long-term debt | ||
| Derivatives, Fair Value | ||
| Carrying Value of the Hedged Liabilities | 3,326 | 3,351 |
| Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Value of the Hedged Liabilities | $ 26 | $ 51 |