Consolidated Investment Entities (Details 2) (Consolidated Investment Entities., USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Level 1
Assets
Total Investments	$ 38	$ 26
Total assets at fair value	38	26
Level 1 | Common and Preferred Stocks
Assets
Total Investments	38	26
Level 2
Assets
Total Investments	5,100	5,379
Receivables	62	33
Other assets	10	8
Total assets at fair value	5,172	5,420
Liabilities:
Other liabilities	177	154
Total liabilities at fair value	177	154
Level 2 | Corporate debt securities
Assets
Total Investments	347	418
Level 2 | Common and Preferred Stocks
Assets
Total Investments	88	53
Level 2 | Other structured investments
Assets
Total Investments	60	39
Level 2 | Syndicated loans
Assets
Total Investments	4,605	4,867
Level 2 | Trading securities
Assets
Total Investments		2
Level 3
Assets
Total Investments	278	39
Other assets	1,097	887
Total assets at fair value	1,375	926
Liabilities:
Debt	5,234	5,171
Total liabilities at fair value	5,234	5,171
Level 3 | Corporate debt securities
Assets
Total Investments	6	6
Level 3 | Common and Preferred Stocks
Assets
Total Investments	23	11
Level 3 | Other structured investments
Assets
Total Investments	3	22
Level 3 | Syndicated loans
Assets
Total Investments	246
Total
Assets
Total Investments	5,416	5,444
Receivables	62	33
Other assets	1,107	895
Total assets at fair value	6,585	6,372
Liabilities:
Debt	5,234	5,171
Other liabilities	177	154
Total liabilities at fair value	5,411	5,325
Total | Corporate debt securities
Assets
Total Investments	353	424
Total | Common and Preferred Stocks
Assets
Total Investments	149	90
Total | Other structured investments
Assets
Total Investments	63	61
Total | Syndicated loans
Assets
Total Investments	4,851	4,867
Total | Trading securities
Assets
Total Investments		$ 2