Derivatives - Designated Fair Value Hedged Assets (Liabilities) (Details) $ in Millions |
Jun. 30, 2018
USD ($)
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|---|---|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |
| Hedged liability, long-term debt, carrying value | $ (133,177) |
| Hedged liability, long-term debt, cumulative fair value adjustments | 1,894 |
| Hedged asset, available-for-sale securities, carrying value | 954 |
| Hedged asset, available-for-sale securities, cumulative fair value adjustments | (48) |
| hedged asset, fair value hedge, amortized cost | $ 949 |
| X | ||||||||||
- 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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