Derivatives and Hedging Activities Derivatives and Hedging Activities (Schedule of Hedged Items in Fair Value Hedging Relationship) (Details) - Long-term Borrowings [Member] - USD ($) $ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
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|---|---|---|---|---|
| Schedule of Hedged Items in Fair Value Hedging Relationship [Line Items] | ||||
| Carrying amount of hedged assets/liabilities | $ 8,620 | $ 4,386 | ||
| Cumulative amount of fair value hedging adjustment increasing (decreasing) the carrying amount of hedged assets/liabilities | [1] | 0 | (3) | |
| Hedged Liability, Discontinued Fair Value Hedge, Cumulative Increase (Decrease) | $ 12 | $ 28 | ||
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