Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating Activities
Net cash used in operating activities	$ (11,958,000,000)	$ (5,153,000,000)
Investing Activities
Proceeds from sale of AFS securities including loans that have been securitized	10,853,000,000	5,943,000,000
Collection of principal on investment securities AFS	106,000,000	68,000,000
Purchase of investment securities AFS and other	(300,000,000)	(68,000,000)
Collection of principal on investment securities HTM	79,000,000	72,000,000
Purchase of investment securities HTM and other	0	(15,000,000)
Proceeds received from the sale of LHFI	78,000,000	228,000,000
Net Origination, purchase, and principal repayments of LHFI	(800,000,000)	(812,000,000)
Purchase of bank owned life insurance	(50,000,000)	(85,000,000)
Net purchase of FHLB stock	(80,000,000)	(2,000,000)
Acquisition of premises and equipment, net of proceeds	(48,000,000)	(25,000,000)
Proceeds from the sale of MSRs	217,000,000	21,000,000
Other, net	1,000,000	9,000,000
Net cash provided by investing activities	10,056,000,000	5,334,000,000
Financing Activities
Net change in deposit accounts	(105,000,000)	636,000,000
Net change in short term FHLB borrowings and other short term debt	1,890,000,000	(1,047,000,000)
Proceeds from long term FHLB advances	0	150,000,000
Net receipt of payments of loans serviced for others	128,000,000	52,000,000
Net receipt (disbursement) of escrow payments	14,000,000	4,000,000
Net cash provided (used) by financing activities	1,927,000,000	(205,000,000)
Net increase in cash and cash equivalents	25,000,000	(24,000,000)
Beginning cash and cash equivalents	158,000,000	208,000,000
Ending cash and cash equivalents	183,000,000	184,000,000
Supplemental disclosure of cash flow information
Non-cash reclassification of loans originated LHFI to LHFS	106,000,000	1,331,000,000
Non-cash reclassification of LHFS to AFS securities	10,789,000,000	5,768,000,000
MSRs resulting from sale or securitization of loans	103,000,000	122,000,000
Operating section supplemental disclosures
Cash proceeds from sales of LHFS	3,174,000,000	9,761,000,000
Origination, premium paid and purchase of LHFS, net of principal repayments	$ (14,974,000,000)	$ (14,639,000,000)