Consolidated Statements of Cash Flows - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Operating Activities
Net cash provided by (used in) operating activities		$ 1,231	$ (320)
Investing Activities
Proceeds from sale of AFS securities including loans that have been securitized		642	417
Collection of principal on investment securities AFS		97	239
Purchase of investment securities AFS and other		(233)	(86)
Collection of principal on investment securities HTM		15	58
Proceeds received from the sale of LHFI		0	35
Net closings, purchases, and principal repayments of LHFI		143	1,337
Acquisition of premises and equipment, net of proceeds		(12)	(11)
Net sale of FHLB stock		48	0
Purchase of MSRs		(13)	(2)
Other, net		(8)	(3)
Net cash provided by investing activities		679	1,984
Financing Activities
Net change in deposit accounts		(661)	(553)
Net change in short-term FHLB borrowings and other short-term debt		(1,680)	(1,155)
Repayment of long-term FHLB advances		(200)	0
Repayment of long-term debt		0	(246)
Net receipt of payments of loans serviced for others		18	113
Dividends declared and paid		(3)	(3)
Other		1	6
Net cash used in financing activities		(2,525)	(1,838)
Net change in cash, cash equivalents and restricted cash	[1]	(615)	(174)
Beginning cash, cash equivalents and restricted cash	[1]	1,092	654
Ending cash, cash equivalents and restricted cash	[1]	477	480
Supplemental disclosure of cash flow information
Non-cash reclassification of LHFI to LHFS		2	14
Non-cash reclassification of LHFS to securitized LHFS		642	417
MSRs resulting from sale or securitization of loans		79	65
Operating section supplemental disclosures
Proceeds from sales of LHFS		9,232	13,721
Closings, premium paid and purchase of LHFS, net of principal repayments		$ (8,344)	$ (14,109)

[1] For further information on restricted cash, see Note 8 - Derivatives.