Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023
Cash Flows from Operating Activities
Net income		$ 4,102	$ 4,022
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Share-based compensation		267	260
Depreciation and amortization		692	566
Amortization of acquired intangible assets		389	404
Provision (benefit) for deferred income taxes		(163)	5
Premium amortization, net, on available for sale and held to maturity securities		618	614
Other		370	391
Net change in:
Investments segregated and on deposit for regulatory purposes		(818)	17,539
Receivables from brokerage clients		(5,387)	(2,502)
Other assets		169	202
Payables to brokerage clients		4,378	(24,620)
Accrued expenses and other liabilities		8,880	2,669
Net cash provided by (used for) operating activities		13,497	(450)
Cash Flows from Investing Activities
Purchases of available for sale securities		(2,250)	(775)
Proceeds from sales of available for sale securities		2,929	6,385
Principal payments on available for sale securities		19,582	31,593
Principal payments on held to maturity securities		10,888	12,030
Net change in bank loans		(2,935)	194
Purchases of equipment, office facilities, and property		(366)	(637)
Purchases of FHLB stock		(786)	(1,652)
Proceeds from sales of FHLB stock		1,005	876
Purchases of Federal Reserve stock		(134)	(212)
Proceeds from sales of Federal Reserve stock		0	98
Other investing activities		(236)	(171)
Net cash provided by (used for) investing activities		27,697	47,729
Cash Flows from Financing Activities
Net change in bank deposits		(43,491)	(82,316)
Proceeds from FHLB borrowings		20,001	41,800
Repayments of FHLB borrowings		(23,801)	(22,400)
Proceeds from other short-term borrowings		18,225	14,190
Repayments of other short-term borrowings		(14,185)	(11,296)
Issuances of long-term debt		0	4,809
Repayments of long-term debt		(3,676)	(823)
Redemption and repurchase of preferred stock		0	(467)
Dividends paid		(1,700)	(1,703)
Proceeds from stock options exercised		53	33
Repurchases of common stock and nonvoting common stock		0	(2,842)
Other financing activities		(90)	(77)
Net cash provided by (used for) financing activities		(48,664)	(61,092)
Increase (Decrease) in Cash and Cash Equivalents, including Amounts Restricted		(7,470)	(13,813)
Cash and Cash Equivalents, including Amounts Restricted at Beginning of Year		74,473	58,720
Cash and Cash Equivalents, including Amounts Restricted at End of Period	[1]	67,003	44,907
Non-cash investing activity:
Securities matured during the period but settled after period end		0	415
Changes in accrued equipment, office facilities, and property purchases		(17)	(32)
Cash paid during the period for:
Interest		5,213	3,851
Income taxes		1,313	1,243
Amounts included in the measurement of lease liabilities		193	190
Leased assets obtained in exchange for new operating lease liabilities		$ 126	$ 88

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