Consolidated Statements of Comprehensive Income (Loss) - USD ($)
$ in Millions |
3 Months Ended |
6 Months Ended |
12 Months Ended |
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Statement of Comprehensive Income [Abstract] |
|
|
|
|
|
|
|
| Net income (loss) |
$ 47
|
$ 46
|
$ 86
|
$ 78
|
$ 158
|
$ (69)
|
$ 267
|
| Unrealized gain (loss) on investment securities available-for-sale |
|
|
|
|
|
|
|
| Unrealized gain (loss) (net of tax effect ($2), $8, and $1, respectively) |
1
|
(16)
|
16
|
0
|
(5)
|
16
|
(20)
|
| Less: Reclassification of net gain (loss) on the sale (net of tax effect $1, ($1), and $1, respectively) |
|
|
|
|
2
|
(3)
|
17
|
| Net change in unrealized gain (loss) on investment securities available-for-sale, net of tax |
1
|
(16)
|
16
|
0
|
(3)
|
13
|
(3)
|
| Unrealized loss on derivative instruments designated to cash flow hedges |
|
|
|
|
|
|
|
| Unrealized loss (net of tax effect ($1), zero and zero, respectively) |
(12)
|
0
|
(44)
|
0
|
(5)
|
0
|
0
|
| Less: Reclassification of net loss on derivative instruments |
3
|
0
|
7
|
0
|
2
|
0
|
0
|
| Net change in unrealized loss on derivative instruments, net of tax |
(9)
|
0
|
(37)
|
0
|
(3)
|
0
|
0
|
| Other comprehensive income (loss), net of tax |
(8)
|
(16)
|
(21)
|
0
|
(6)
|
13
|
(3)
|
| Comprehensive income (loss) |
$ 39
|
$ 30
|
$ 65
|
$ 78
|
$ 152
|
$ (56)
|
$ 264
|