Derivatives - Designated Fair Value Hedged Assets (Liabilities) (Details) $ in Millions |
Mar. 31, 2018
USD ($)
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|---|---|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |
| Hedged liability, long-term debt, carrying value | $ (129,893) |
| Hedged liability, long-term debt, cumulative fair value adjustments | 1,086 |
| Hedged asset, available-for-sale securities, carrying value | 961 |
| Hedged asset, available-for-sale securities, cumulative fair value adjustments | (36) |
| hedged asset, fair value hedge, amortized cost | $ 959 |
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- Definition Hedged Asset, Fair Value Hedge No definition available.
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- Definition Hedged Asset, Fair Value Hedge, Amortized Cost No definition available.
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- Definition Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease) No definition available.
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- Definition Hedged Liability, Fair Value Hedge No definition available.
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- Definition Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) No definition available.
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- References No definition available.
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