Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019
Cash Flows from Operating Activities
Net income		$ 2,164	$ 2,852
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Share-based compensation		124	131
Depreciation and amortization	[1]	284	235
Amortization of acquired intangible assets	[1]	43	20
Premium amortization, net, on available for sale and held to maturity securities		1,012	282
Other		250	127
Net change in:
Investments segregated and on deposit for regulatory purposes		(14,431)	(858)
Receivables from brokerage clients		(3,609)	576
Other assets		(556)	(742)
Payables to brokerage clients		8,314	2,896
Accrued expenses and other liabilities		0	(498)
Net cash provided by (used for) operating activities		(6,405)	5,021
Cash Flows from Investing Activities
Purchases of available for sale securities		(146,865)	(20,744)
Proceeds from sales of available for sale securities		2,895	21,710
Principal payments on available for sale securities		42,681	18,374
Purchases of held to maturity securities		0	(18,861)
Principal payments on held to maturity securities		0	13,653
Net change in bank loans		(4,103)	(338)
Cash acquired in acquisition, net of cash paid		2,756	0
Purchases of equipment, office facilities, and property		(465)	(515)
Purchases of Federal Home Loan Bank stock		(12)	(2)
Purchases of Federal Reserve stock		(190)	0
Other investing activities		(142)	(18)
Net cash provided by (used for) investing activities		(103,445)	13,259
Cash Flows from Financing Activities
Net change in bank deposits		100,623	(22,096)
Issuance of long-term debt		1,089	593
Repayment of long-term debt		(700)	0
Net proceeds from preferred stock offerings		2,470	0
Dividends paid		(874)	(808)
Proceeds from stock options exercised		35	65
Repurchases of common stock		0	(1,964)
Other financing activities		(8)	(13)
Net cash provided by (used for) financing activities		102,635	(24,223)
Increase (Decrease) in Cash and Cash Equivalents, including Amounts Restricted		(7,215)	(5,943)
Cash and Cash Equivalents, including Amounts Restricted at Beginning of Period		45,577	38,227
Cash and Cash Equivalents, including Amounts Restricted at End of Period	[2]	38,362	32,284
Non-cash investing activity:
Securities transferred from held to maturity to available for sale, at fair value		136,099	8,771
Additions of equipment, office facilities, and property		76	29
Non-cash financing activity:
Extinguishment of finance lease obligation through an assignment agreement		0	52
Common stock repurchased during the period but settled after period end		0	27
Cash paid during the period for:
Interest		361	922
Income taxes		609	907
Amounts included in the measurement of lease liabilities		113	99
Leased assets obtained in exchange for new operating lease liabilities		$ 152	$ 87

[1] Beginning in the third quarter of 2020, amortization of acquired intangible assets was reclassified from depreciation and amortization. Prior periods have been reclassified to reflect this change.

[2] For more information on the nature of restrictions on restricted cash and cash equivalents, see Note 15.