Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Operating Activities
Net cash used in operating activities		$ (4,716)	$ (6,220)
Investing Activities
Proceeds from sale of AFS securities including loans that have been securitized		4,501	5,730
Collection of principal on investment securities AFS		38	53
Purchase of investment securities AFS and other		(16)	(4)
Collection of principal on investment securities HTM		21	24
Proceeds received from the sale of LHFI		105	0
Net origination, purchase, and principal repayments of LHFI		(845)	139
Acquisition of premises and equipment, net of proceeds		(18)	(15)
Proceeds from the sale of MSRs		41	136
Other, net		(4)	(7)
Net cash provided by investing activities		3,823	6,056
Financing Activities
Net change in deposit accounts		1,073	439
Net change in short-term FHLB borrowings and other short-term debt		(141)	(107)
Proceeds from increases in FHLB long-term advances and other debt		100	200
Repayment of FHLB long-term advances		0	(325)
Net receipt of payments of loans serviced for others		(104)	(9)
Accelerated share repurchase		(50)	0
Dividends declared and paid		(2)	0
Other		3	3
Net cash provided by financing activities		879	201
Net increase in cash, cash equivalents and restricted cash	[1]	(14)	37
Beginning cash, cash equivalents and restricted cash	[1]	432	223
Ending cash, cash equivalents and restricted cash	[1]	418	260
Supplemental disclosure of cash flow information
Non-cash reclassification of investment securities HTM to AFS		0	144
Non-cash reclassification of loans originated LHFI to LHFS		0	1
Non-cash reclassification of LHFS to AFS securities		4,501	5,730
MSRs resulting from sale or securitization of loans		67	84
Operating section supplemental disclosures
Cash proceeds from sales of LHFS		832	1,626
Origination, premium paid and purchase of LHFS, net of principal repayments		$ (5,479)	$ (7,882)

[1] For further information on restricted cash, see Note 9 - Derivatives.