Investments (Details - RCG FM by maturity date) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Realized Investment Gains And Losses Table Details [Abstract]
Fixed maturities	$ 3	$ 29	$ 15	$ 50
Equity securities	0	1	4	4
Commercial mortgage loans	(7)	(16)	(10)	(16)
Real estate	0	0	(1)	0
Other investments, including derivatives	0	3	1	5
Total realized investment gains before income taxes	(4)	17	9	43
Less income taxes	1	(6)	0	(15)
Net realized investment gains	(3)	11	9	28
Impairments Table Details [Abstract]
Credit-related	9	16	14	16
Other	1	2	2	2
Total	10	18	16	18
Included in fixed maturities:
Trading securities in fixed maturities	2		2		2
Hybrid securities in fixed maturities	20		20		28
Total	22		22		30
Included in equity securities:
Hybrid securities in equity securities	64		64		65
Sales Information For Available For Sale Fixed Maturies Equity Securities [Abstract]
Proceeds from sales	134	149	355	304
Gross gains on sales	4	14	19	28
Gross losses on sales	(1)	(1)	(1)	(1)
Amortized Cost:
Due in one year or less	1,005		1,005
Due after one year through five years	5,070		5,070
Due after five years through ten years	5,331		5,331
Due after ten years	2,738		2,738
Mortgage and other asset-backed securities	1,027		1,027
Total	15,171		15,171
Fair Value:
Due in one year or less	1,022		1,022
Due after one year through five years	5,431		5,431
Due after five years through ten years	6,005		6,005
Due after ten years	3,665		3,665
Mortgage and other asset-backed securities	1,182		1,182
Total	17,305		17,305
Portion At Amortized Cost Disclosure [Member]
Included in fixed maturities:
Trading securities in fixed maturities	2		2		2
Hybrid securities in fixed maturities	20		20		26
Included in equity securities:
Hybrid securities in equity securities	$ 81		$ 81		$ 90