Derivatives and Hedging Activities (Details Textuals) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
Dec. 31, 2021 |
|
| Derivative [Line Items] | |||
| Margin on interest rate swaps | $ 13 | $ 11 | |
| Carrying values of hedged liabilities | 11,100 | 13,100 | |
| Cumulative amount of fair value hedging adjustment | (21) | 237 | |
| Net decrease in interest expense on long term debt and other | 57 | $ 73 | |
| Not Designated as Hedging Instrument | |||
| Derivative [Line Items] | |||
| Notional amount of derivatives | 15,600 | 19,000 | |
| Other Expense | |||
| Derivative [Line Items] | |||
| (Loss) gain in changes in fair value of derivatives not designated as hedges | (12) | (5) | |
| Fair Value Hedging | Fixed-Rate Debt Obligations | |||
| Derivative [Line Items] | |||
| Fixed-rate debt obligations designated in fair value hedging relationships | 11,100 | 12,900 | |
| Net Investment Hedges | |||
| Derivative [Line Items] | |||
| Notional amount of derivatives | 12,200 | $ 12,600 | |
| Gain (loss) on net investment hedges, net of taxes | (85) | 6 | |
| Reclassifications out of AOCI | $ 0 | $ 0 | |