Investments (Details - RCG FM by maturity date) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Realized Investment Gains And Losses Table Details [Abstract]
Fixed maturities	$ 8	$ (14)	$ 23	$ 36
Equity securities	1	(9)	5	(5)
Commercial mortgage loans	1	0	(9)	(16)
Real estate	0	0	(1)	0
Other investments, including derivatives	1	36	2	41
Total realized investment gains before income taxes	11	13	20	56
Less income taxes	(4)	(4)	(4)	(19)
Net realized investment gains	7	9	16	37
Impairments Table Details [Abstract]
Credit-related	0	(5)	(14)	(21)
Other	0	(22)	(2)	(24)
Total	0	(27)	(16)	(45)
Included in fixed maturities:
Trading securities in fixed maturities	2		2		2
Hybrid securities in fixed maturities	10		10		28
Total	12		12		30
Included in equity securities:
Hybrid securities in equity securities	68		68		65
Sales Information For Available For Sale Fixed Maturies Equity Securities [Abstract]
Proceeds from sales	92	153	447	457
Gross gains on sales	6	8	25	36
Gross losses on sales	0	(3)	(1)	(4)
Amortized Cost:
Due in one year or less	1,181		1,181
Due after one year through five years	5,085		5,085
Due after five years through ten years	5,436		5,436
Due after ten years	2,865		2,865
Mortgage and other asset-backed securities	998		998
Total	15,565		15,565
Fair Value:
Due in one year or less	1,201		1,201
Due after one year through five years	5,498		5,498
Due after five years through ten years	6,166		6,166
Due after ten years	3,857		3,857
Mortgage and other asset-backed securities	1,134		1,134
Total	17,856		17,856
Portion At Amortized Cost Disclosure [Member]
Included in fixed maturities:
Trading securities in fixed maturities	2		2		2
Hybrid securities in fixed maturities	10		10		26
Included in equity securities:
Hybrid securities in equity securities	$ 84		$ 84		$ 90