Consolidated Cash Flow Statement - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities
Net income		$ 6,251	$ 7,680
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Stock-based compensation expense		849	1,136
Depreciation and amortization		1,863	1,944
Provision for credit losses		158	(25)
Other operating adjustments		356	(165)
Changes in assets and liabilities:
Trading assets, net of Trading liabilities		(15,183)	(1,526)
Securities borrowed		(8,795)	(14,312)
Securities loaned		1,486	1,843
Customer and other receivables and other assets		13,193	(2,360)
Customer and other payables and other liabilities		11,719	9,917
Securities purchased under agreements to resell		(736)	20,304
Securities sold under agreements to repurchase		3,991	7,058
Net cash provided by (used for) operating activities		15,152	31,494
Proceeds from (payments for):
Other assets—Premises, equipment and software, net		(1,451)	(1,039)
Changes in loans, net		(18,525)	(17,426)
AFS securities
Purchases	[1]	(18,623)	(18,272)
Proceeds from sales	[1]	21,368	17,546
Proceeds from paydowns and maturities	[1]	8,444	16,917
HTM securities
Purchases	[1]	(4,910)	(21,853)
Proceeds from paydowns and maturities	[1]	5,662	7,562
Cash paid as part of the Eaton Vance acquisition, net of cash acquired		0	(2,648)
Other investing activities		(334)	(231)
Net cash provided by (used for) investing activities		(8,369)	(19,444)
Net proceeds from (payments for):
Other secured financings		(1,859)	(1,107)
Deposits		(7,807)	9,643
Proceeds from issuance of Borrowings		39,773	49,100
Payments for:
Borrowings		(19,514)	(40,300)
Repurchases of common stock and employee tax withholdings		(6,518)	(5,600)
Cash dividends		(2,618)	(1,501)
Other financing activities		(151)	(186)
Net cash provided by (used for) financing activities		1,306	10,049
Effect of exchange rate changes on cash and cash equivalents		(4,528)	(1,273)
Net increase (decrease) in cash and cash equivalents		3,561	20,826
Cash and cash equivalents, at beginning of period		127,725	105,654
Cash and cash equivalents, at end of period		131,286	126,480
Supplemental Disclosure of Cash Flow Information
Cash payments for interest		1,407	881
Cash payments for income taxes, net of refunds		$ 1,988	$ 2,033

[1] The prior period amounts have been revised to present Purchases, Proceeds from sales and Proceeds from paydowns and maturities separately between AFS securities and HTM securities.