Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income before noncontrolling interests	$ 12,305	$ 10,636
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	1,348	643
Changes in fair value of MSRs, MLHFS and LHFS carried at fair value	2,408	(787)
Depreciation, amortization and accretion	3,100	2,835
Other net (gains)	(1,360)	(6,285)
Stock-based compensation	1,388	1,286
Originations and purchases of mortgage loans held for sale	(63,836)	(80,948)
Proceeds from sales of and paydowns on mortgage loans held for sale	39,741	60,898
Net change in:
Debt and equity securities, held for trading	14,777	16,371
Loans held for sale	619	(411)
Deferred income taxes	(821)	1,118
Derivative assets and liabilities	(2,461)	958
Other assets	7,194	7,547
Other accrued expenses and liabilities	(7,120)	520
Net cash provided by operating activities	7,282	14,381
Net change in:
Federal funds sold and securities purchased under resale agreements	(31,912)	(1,161)
Available-for-sale debt securities:
Proceeds from sales	6,682	6,151
Prepayments and maturities	17,657	17,377
Purchases	(18,306)	(26,300)
Held-to-maturity debt securities:
Paydowns and maturities	5,145	5,431
Purchases	(154)	0
Equity securities, not held for trading:
Proceeds from sales and capital returns	2,320	3,337
Purchases	(2,426)	(2,791)
Loans:
Loans originated by banking subsidiaries, net of principal collected	(7,008)	(445)
Proceeds from sales (including participations) of loans held for investment	8,196	7,879
Purchases (including participations) of loans	(1,001)	(668)
Principal collected on nonbank entities’ loans	1,770	3,229
Loans originated by nonbank entities	(2,604)	(2,998)
Proceeds from sales of foreclosed assets and short sales	1,405	1,954
Other, net	512	(284)
Net cash provided (used) by investing activities	(19,724)	10,711
Net change in:
Deposits	1,938	(67,101)
Short-term borrowings	9,557	1,240
Long-term debt:
Proceeds from issuance	33,091	21,308
Repayment	(26,357)	(22,305)
Preferred stock:
Cash dividends paid	(711)	(872)
Common stock:
Proceeds from issuance	242	446
Stock tendered for payment of withholding taxes	(272)	(311)
Repurchased	(9,718)	(5,952)
Cash dividends paid	(3,954)	(3,722)
Net change in noncontrolling interests	(124)	(232)
Other, net	(110)	(89)
Net cash provided (used) by financing activities	3,582	(77,590)
Net change in cash, cash equivalents, and restricted cash	(8,860)	(52,498)
Cash, cash equivalents, and restricted cash at beginning of period	173,287	215,947
Cash, cash equivalents, and restricted cash at end of period	164,427	163,449
Supplemental cash flow disclosures:
Cash paid for interest	9,354	6,352
Cash paid for income taxes	$ 2,516	$ 1,679