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v3.8.0.1

Derivative Financial Instruments and Off-balance sheet Financial Instruments - Gross and net amounts for OTC derivatives (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Asset derivatives |  |
Gross amount | $ 127 | $ 121
Derivative asset, fair value, gross liability | (1) | (28)
Net amount on balance sheet | 126 | 93
Liability derivatives |  |
Gross amount | (369) | (334)
Liability derivatives, Gross asset | 6 | 0
Net amount on balance sheet | (363) | (334)
OTC derivatives |  |
Asset derivatives |  |
Gross amount | 8 | 31
Derivative asset, fair value, gross liability | (7) | (28)
Derivative asset offsets under cash collateral pledged | 1 | 19
Net amount on balance sheet | 2 | 22
Securities collateral (received) pledged | 0 | (9)
Net amount | 2 | 13
Liability derivatives |  |
Gross amount | (26) | (33)
Liability derivatives, Gross asset | 7 | 28
Derivative liability offsets under cash collateral pledged | 7 | 0
Net amount on balance sheet | (12) | (5)
Securities collateral (received) pledged | 3 | 4
Net amount | $ (9) | $ (1)

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