Other Noninterest Income and Noninterest Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Noninterest Income
Gain (loss) on sales	$ 79	$ 31	$ (178)
FDIC indemnification asset amortization expense	0	(69)	(99)
Rental income from operating leases	47	62	305
Other fee income	59	35	53
Other	74	92	130
Total other noninterest income	259	151	211
Noninterest Expense
Communications	57	57	51
Fees to affiliates	100	82	51
Expenses of the LIHC consolidated VIEs	68	45	32
Depreciation on operating leases	25	26	151
Other	229	255	218
Total other noninterest expense	$ 479	$ 465	$ 503