Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022
Cash Flows from Operating Activities
Net income	[1]	$ 4,022	$ 5,215
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Share-based compensation	[1]	260	281
Depreciation and amortization	[1]	566	476
Amortization of acquired intangible assets	[1]	404	460
Provision (benefit) for deferred income taxes	[1]	5	(57)
Premium amortization, net, on available for sale and held to maturity securities	[1]	614	1,163
Other	[1]	391	339
Net change in:
Investments segregated and on deposit for regulatory purposes	[1]	17,539	(1,774)
Receivables from brokerage clients	[1]	(2,502)	16,683
Other assets	[1]	202	655
Payables to brokerage clients	[1]	(24,620)	(15,659)
Accrued expenses and other liabilities	[1]	2,669	(3,618)
Net cash provided by (used for) operating activities	[1]	(450)	4,164
Cash Flows from Investing Activities
Purchases of available for sale securities	[1]	(775)	(49,897)
Proceeds from sales of available for sale securities	[1]	6,385	24,019
Principal payments on available for sale securities	[1]	31,593	40,503
Principal payments on held to maturity securities	[1]	12,030	12,433
Net change in bank loans	[1]	194	(5,653)
Purchases of equipment, office facilities, and property	[1]	(637)	(769)
Purchases of FHLB stock	[1]	(1,652)	0
Proceeds from sales of FHLB stock	[1]	876	0
Purchases of Federal Reserve stock	[1]	(212)	(85)
Proceeds from sales of Federal Reserve stock	[1]	98	16
Other investing activities	[1]	(171)	(59)
Net cash provided by (used for) investing activities	[1]	47,729	20,508
Cash Flows from Financing Activities
Net change in bank deposits	[1]	(82,316)	(48,063)
Proceeds from FHLB borrowings	[1]	41,800	4
Repayments of FHLB borrowings	[1]	(22,400)	(4)
Proceeds from other short-term borrowings	[1]	14,190	14,999
Repayments of other short-term borrowings	[1]	(11,296)	(19,357)
Issuances of long-term debt	[1]	4,809	2,971
Repayments of long-term debt	[1]	(823)	(1,029)
Net proceeds from preferred stock offerings	[1]	0	740
Redemption and repurchase of preferred stock	[1]	(467)	0
Dividends paid	[1]	(1,703)	(1,559)
Proceeds from stock options exercised	[1]	33	42
Repurchases of common stock and nonvoting common stock	[1]	(2,842)	(1,455)
Other financing activities	[1]	(77)	(53)
Net cash provided by (used for) financing activities	[1]	(61,092)	(52,764)
Increase (Decrease) in Cash and Cash Equivalents, including Amounts Restricted	[1]	(13,813)	(28,092)
Cash and Cash Equivalents, including Amounts Restricted at Beginning of Year	[1]	58,720	93,338
Cash and Cash Equivalents, including Amounts Restricted at End of Period	[1],[2]	44,907	65,246
Non-cash investing activity:
Securities transferred from available for sale to held to maturity, at fair value	[1]	0	108,805
Securities matured during the period but settled after period end	[1]	415	0
Changes in accrued equipment, office facilities, and property purchases	[1]	(32)	(28)
Non-cash financing activity:
Common stock repurchased during the period but settled after period end	[1]	0	45
Call of preferred stock	[1]	0	400
Cash paid during the period for:
Interest	[1]	3,851	722
Income taxes	[1]	1,243	1,436
Amounts included in the measurement of lease liabilities	[1]	190	162
Leased assets obtained in exchange for new operating lease liabilities	[1]	88	226
Leased assets obtained in exchange for new finance lease liabilities	[1]	$ 0	$ 5

[1] Certain prior period amounts have been reclassified to conform to the current year presentation. See Note 1 for additional information.

[2] For more information on the nature of restrictions on restricted cash and cash equivalents, see Note 17.