Investments (Details - RCG FM by maturity date) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Realized Investment Gains And Losses Table Details [Abstract]
Fixed maturities	$ (14)	$ 14	$ 36	$ 48
Equity securities	(9)	4	(5)	7
Commercial mortgage loans	0	(1)	(16)	(16)
Other investments, including derivatives	36	11	41	5
Total realized investment gains before income taxes	13	28	56	44
Less income taxes	(4)	(10)	(19)	(15)
Net realized investment gains	9	18	37	29
Impairments Table Details [Abstract]
Credit-related	5	1	21	31
Other	22	0	24	1
Total	27	1	45	32
Included in fixed maturities:
Trading securities in fixed maturities	2		2		3
Hybrid securities in fixed maturities	31		31		52
Total	33		33		55
Included in equity securities:
Hybrid securities in equity securities	87		87		86
Sales Information For Available For Sale Fixed Maturies Equity Securities [Abstract]
Proceeds from sales	153	239	457	688
Gross gains on sales	8	9	36	36
Gross losses on sales	(3)	0	(4)	(3)
Amortized Cost:
Due in one year or less	954		954
Due after one year through five years	4,738		4,738
Due after five years through ten years	5,200		5,200
Due after ten years	2,605		2,605
Mortgage and other asset-backed securities	845		845
Total	14,342		14,342
Fair Value:
Due in one year or less	966		966
Due after one year through five years	5,069		5,069
Due after five years through ten years	5,746		5,746
Due after ten years	3,459		3,459
Mortgage and other asset-backed securities	999		999
Total	$ 16,239		$ 16,239