Discontinued Operations (Details) (USD $) In Millions	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Mar. 31, 2010	Jun. 30, 2011 Securities America	Jun. 30, 2010 Securities America	Jun. 30, 2011 Securities America	Jun. 30, 2010 Securities America	Dec. 31, 2010 Securities America
Discontinued operations components of earnings and balance sheet disclosure
Total net revenues						$ 118	$ 116	$ 240	$ 230
Pretax income (loss)	399	462	786	820		(3)	4	(119)	7
Income tax provision						1	2	(44)	3
Income (loss) from discontinued operations, net of tax	(4)	2	(75)	4		(4)	2	(75)	4
Assets:
Cash and cash equivalents					0	25		25		23
Receivables						38		38		40
Other assets						99		99		110
Total assets of discontinued operations						162		162		173
Liabilities:
Long-term debt						5		5		5
Accounts payable and accrued expenses						28		28		26
Other liabilities						157		157		48
Total liabilities of discontinued operations						$ 190		$ 190		$ 79