Derivative Financial Instruments - Cumulative Basis Adjustments for Fair Value Hedges (Details) - USD ($) $ in Millions |
Mar. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Short-term debt | ||
| Amounts recorded in the Consolidated Balance Sheet related to cumulative basis adjustments for fair value hedges | ||
| Carrying amount of the hedged item | $ (225) | $ (227) |
| Cumulative hedging adjustments included in the carrying amount-assets/(liabilities) | 0 | (2) |
| Long-term debt | ||
| Amounts recorded in the Consolidated Balance Sheet related to cumulative basis adjustments for fair value hedges | ||
| Carrying amount of the hedged item | (2,480) | (508) |
| Cumulative hedging adjustments included in the carrying amount-assets/(liabilities) | (290) | (309) |
| Hedging adjustments on discontinued hedging relationships | $ (289) | $ (302) |