Investments (Details 43) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2010	Dec. 31, 2009
Assets
Mortgage loans, at estimated fair value, relating to variable interest entities	$ 59,209	$ 58,976
Trading and other securities relating to variable interest entities	18,698	18,589
Cash and cash equivalents relating to variable interest entities	10,001	12,957	14,479	10,024
Accrued investment income relating to variable interest entities	4,793	4,328
Total Assets	7,353	11,080
Liabilities
Long-term debt, at estimated fair value, relating to variable interest entities	24,753	27,586
Other liabilities relating to variable interest entities	23,121	20,366
Total Liabilities	3,231	6,995
Consolidated securitization entities [Member]
Assets
Mortgage loans, at estimated fair value, relating to variable interest entities	3,227	6,840
Trading and other securities relating to variable interest entities	140	201
Cash and cash equivalents relating to variable interest entities	13	39
Accrued investment income relating to variable interest entities	17	34
Total Assets	3,397	7,114
Liabilities
Long-term debt, at estimated fair value, relating to variable interest entities	3,157	6,820
Other liabilities relating to variable interest entities	47	72
Total Liabilities	$ 3,204	$ 6,892