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v3.19.1

Fair Values (Details) - USD ($) $ in Millions | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Investment securities: |  |
Equity securities | $ 47 | $ 48
Debt securities | 6,410 | 4,599
Derivative assets | 255 | 514
AssetsFairValueDisclosure | 6,712 | 5,161
Liabilities |  |
Derivative liabilities | 362 | 214
LiabilitiesFairValueDisclosure | 362 | 214
Level 1 [Member] |  |
Investment securities: |  |
Equity securities | 1 | 1
Debt securities | 0 | 0
Derivative assets | 0 | 0
AssetsFairValueDisclosure | 1 | 1
Liabilities |  |
Derivative liabilities | 0 | 0
LiabilitiesFairValueDisclosure | 0 | 0
Level 2 [Member] |  |
Investment securities: |  |
Equity securities | 46 | 47
Debt securities | 6,410 | 4,599
Derivative assets | 255 | 514
AssetsFairValueDisclosure | 6,711 | 5,160
Liabilities |  |
Derivative liabilities | 362 | 214
LiabilitiesFairValueDisclosure | 362 | 214
Level 3 [Member] |  |
Investment securities: |  |
Equity securities | 0 | 0
Debt securities | 0 | 0
Derivative assets | 0 | 0
AssetsFairValueDisclosure | 0 | 0
Liabilities |  |
Derivative liabilities | 0 | 0
LiabilitiesFairValueDisclosure | $ 0 | $ 0

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