Investments (Details - RCG FM by maturity date) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Realized Investment Gains And Losses Table Details [Abstract]
Fixed maturities	$ 29	$ 19	$ 50	$ 34
Equity securities	1	(1)	4	3
Commercial mortgage loans	(16)	(4)	(16)	(15)
Other investments, including derivatives	3	8	5	(6)
Total realized investment gains before income taxes	17	22	43	16
Less income tax benefits	(6)	(8)	(15)	(5)
Net realized investment gains	11	14	28	11
Impairments Table Details [Abstract]
Credit-related	16	5	16	30
Other	2	0	2	1
Total	18	5	18	31
Included in fixed maturities:
Trading securities (amortized cost: $3; $3)	3		3		3
Hybrid securities (amortized cost: $45; $45)	51		51		52
Total	54		54		55
Included in equity securities:
Hybrid securities (amortized cost: $112; $108)	95		95		86
Sales Information For Available For Sale Fixed Maturies Equity Securities [Abstract]
Proceeds from sales	149	209	304	449
Gross gains on sales	14	12	28	27
Gross losses on sales	(1)	(2)	(1)	(3)
Amortized Cost:
Due in one year or less	836		836
Due after one year through five years	4,711		4,711
Due after five years through ten years	5,153		5,153
Due after ten years	2,557		2,557
Mortgage and other asset-backed securities	813		813
Total	14,070		14,070
Fair Value:
Due in one year or less	847		847
Due after one year through five years	5,053		5,053
Due after five years through ten years	5,615		5,615
Due after ten years	3,002		3,002
Mortgage and other asset-backed securities	934		934
Total	$ 15,451		$ 15,451