Consolidated Statements of Comprehensive Income - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Statement of Comprehensive Income [Abstract] | ||||
| Net income | $ 57 | $ 47 | $ 143 | $ 125 |
| Investment securities | ||||
| Unrealized gain (loss) (net of tax effect $1, ($5), ($10) and ($5), respectively) | (1) | 9 | 17 | 9 |
| Less: Reclassification of net (gain) on sale (net of tax effect $2, $0, $3 and $0, respectively) | (3) | 0 | (5) | 0 |
| Net change in unrealized gain (loss) on investment securities, net of tax | (4) | 9 | 12 | 9 |
| Derivatives and hedging activities | ||||
| Unrealized gain (loss) (net of tax effect $0, $2, $23 and $2, respectively) | 0 | (5) | (44) | (5) |
| Less: Reclassification of net loss (gain) on derivative instruments (net of tax effect ($2), $0, ($6) and $0, respectively) | 3 | 0 | 10 | 0 |
| Net change in derivatives and hedging activities, net of tax | 3 | (5) | (34) | (5) |
| Other comprehensive (loss) income, net of tax | (1) | 4 | (22) | 4 |
| Comprehensive income | $ 56 | $ 51 | $ 121 | $ 129 |