Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012
Cash Flows from Operating Activities
Net income	$ 462		$ 470
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision for loan losses	5		4
Net impairment losses on securities	7	[1]	25	[1]
Stock-based compensation	59		54
Depreciation and amortization	102		96
Premium amortization, net, on securities available for sale and securities held to maturity	92		98
Other	20		1
Originations of loans held for sale			(435)
Proceeds from sales of loans held for sale			505
Net change in:
Cash and investments segregated and on deposit for regulatory purposes	1,458		3,311
Receivables from brokers, dealers, and clearing organizations	(62)		(86)
Receivables from brokerage clients	631		(885)
Other securities owned	148		168
Other assets	16		49
Payables to brokers, dealers, and clearing organizations	662		212
Payables to brokerage clients	(3,478)		(3,656)
Accrued expenses and other liabilities	42		(163)
Net cash provided by (used for) operating activities	164		(232)
Cash Flows from Investing Activities
Purchases of securities available for sale	(12,587)		(14,114)
Proceeds from sales of securities available for sale	3,004		1,323
Principal payments on securities available for sale	7,017		6,904
Purchases of securities held to maturity	(9,914)		(3,029)
Principal payments on securities held to maturity	2,413		2,566
Net (increase) decrease in loans to banking clients	(976)		(62)
Purchase of equipment, office facilities, and property	(111)		(76)
Other investing activities	2
Net cash used for investing activities	(11,152)		(6,488)
Cash Flows from Financing Activities
Net change in deposits from banking clients	4,968		5,403
Repayment of commercial paper	(300)
Repayment of long-term debt	(3)		(3)
Net proceeds from preferred stock offerings			864
Dividends paid	(184)		(154)
Proceeds from stock options exercised and other	81		20
Other financing activities	(3)
Net cash provided by financing activities	4,559		6,130
Decrease in Cash and Cash Equivalents	(6,429)		(590)
Cash and Cash Equivalents at Beginning of Period	12,663		8,679
Cash and Cash Equivalents at End of Period	6,234		8,089
Cash paid during the year for:
Interest	51		74
Income taxes	277		221
Non-cash investing activities:
Securities purchased during the period but settled after period end	$ 420		$ 22

[1] Net impairment losses on securities include total other-than-temporary impairment losses of $2 million and $12 million, net of $(1) million and $5 million reclassified from or recognized in other comprehensive income, for the three months ended June 30, 2013 and 2012, respectively. Net impairment losses on securities include total other-than-temporary impairment losses of $2 million and $14 million, net of $(5) million and $(11) million reclassified from other comprehensive income, for the six months ended June 30, 2013 and 2012, respectively