Derivatives - Cumulative Basis Adjustment for Fair Value Hedges (Details) - Fair value hedges - Long-term debt - USD ($) $ in Millions |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Derivatives | ||
| Carrying Value of the Hedged Liabilities | $ 903 | $ 997 |
| Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Value of the Hedged Liabilities | $ (98) | $ (4) |