Consolidated Cash Flow Statement - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities
Net income		$ 8,913	$ 11,404
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Stock-based compensation expense		1,377	1,636
Depreciation and amortization		2,791	2,979
Provision for credit losses		193	(1)
Other operating adjustments		508	(149)
Changes in assets and liabilities:
Trading assets, net of Trading liabilities		(23,285)	2,832
Securities borrowed		(6,765)	(13,531)
Securities loaned		798	3,402
Customer and other receivables and other assets		7,966	(2,692)
Customer and other payables and other liabilities		8,283	19,829
Securities purchased under agreements to resell		8,875	(3,487)
Securities sold under agreements to repurchase		(2,055)	11,400
Net cash provided by (used for) operating activities		7,599	33,622
Proceeds from (payments for):
Other assets—Premises, equipment and software, net		(2,308)	(1,658)
Changes in loans, net		(23,280)	(23,197)
AFS securities
Purchases	[1]	(22,636)	(32,483)
Proceeds from sales	[1]	21,922	18,325
Proceeds from paydowns and maturities	[1]	11,682	21,508
HTM securities
Purchases	[1]	(5,231)	(24,851)
Proceeds from paydowns and maturities	[1]	7,837	10,860
Cash paid as part of the Eaton Vance acquisition, net of cash acquired		0	(2,648)
Other investing activities		(516)	(447)
Net cash provided by (used for) investing activities		(12,530)	(34,591)
Net proceeds from (payments for):
Other secured financings		(1,352)	(1,125)
Deposits		(16,816)	18,347
Issuance of preferred stock, net of issuance costs		994	0
Proceeds from issuance of Borrowings		54,283	73,591
Payments for:
Borrowings		(27,019)	(56,699)
Repurchases of common stock and employee tax withholdings		(9,126)	(9,228)
Cash dividends		(4,023)	(2,857)
Other financing activities		(202)	(197)
Net cash provided by (used for) financing activities		(3,261)	21,832
Effect of exchange rate changes on cash and cash equivalents		(7,837)	(2,654)
Net increase (decrease) in cash and cash equivalents		(16,029)	18,209
Cash and cash equivalents, at beginning of period		127,725	105,654
Cash and cash equivalents, at end of period		111,696	123,863
Supplemental Disclosure of Cash Flow Information
Cash payments for interest		4,339	1,236
Cash payments for income taxes, net of refunds		$ 2,805	$ 3,303

[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.