Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash Flows From Operating Activities:
Net income	$ 791	$ 426
Adjustments to reconcile net income to net cash from operating activities:
Provision for credit losses	150	148
Depreciation	105	99
Loss (gain) on early extinguishment of debt	0	392
Amortization of intangibles	33	38
Equity-based compensation expense	31	30
(Gain) loss on securities, net	0	0
Net change in operating assets and liabilities:
LHFS	(90)	499
Trading and equity securities	10	(644)
Other assets, accounts payable and other liabilities	(583)	(886)
Other, net	(139)	56
Net cash from operating activities	308	158
Cash Flows From Investing Activities:
Proceeds from sales of AFS securities	95	107
Proceeds from maturities, calls and paydowns of AFS securities	959	1,355
Purchases of AFS securities	(1,863)	(1,205)
Proceeds from maturities, calls and paydowns of HTM securities	626	588
Purchases of HTM securities	(39)	(2,126)
Originations and purchases of loans and leases, net of principal collected	385	333
Other, net	40	201
Net cash from investing activities	203	(747)
Cash Flows From Financing Activities:
Net change in deposits	830	1,104
Net change in short-term borrowings	(617)	613
Proceeds from issuance of long-term debt	7	3,947
Repayment of long-term debt	(41)	(4,645)
Net cash from common stock transactions	(344)	(74)
Cash dividends paid on common stock	(292)	(243)
Cash dividends paid on preferred stock	(43)	(43)
Other, net	17	(14)
Net cash from financing activities	(483)	645
Net Change in Cash, Cash Equivalents and Restricted Cash	28	56
Cash and Cash Equivalents at Beginning of Period	3,083	4,424
Cash and Cash Equivalents at End of Period	3,111	4,480
Supplemental Disclosure of Cash Flow Information:
Cash paid during the period for interest	256	151
Cash paid during the period for income taxes	15	21
Noncash investing activities:
Transfers of loans to foreclosed assets	$ 67	$ 138