Derivative Financial Instruments (Details - Non-hedge accounting) (USD $) In Millions, unless otherwise specified								3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012 Accounts Payable Accrued Expenses And Other Liabilities [Member] Written Options Gmib Liability [Member] Non designated [Member]	Dec. 31, 2011 Accounts Payable Accrued Expenses And Other Liabilities [Member] Written Options Gmib Liability [Member] Non designated [Member]	Sep. 30, 2012 Other Assets [Member] Purchased Options Gmib Asset [Member] Non designated [Member]	Dec. 31, 2011 Other Assets [Member] Purchased Options Gmib Asset [Member] Non designated [Member]	Sep. 30, 2012 Other Assets [Member] Interest Rate Swap Growth Interest [Member] Non designated [Member]	Dec. 31, 2011 Other Assets [Member] Interest Rate Swap Growth Interest [Member] Non designated [Member]	Sep. 30, 2012 Guaranteed Minimum Income Benefits Fair Value Gain Loss [Member] Written Options Gmib Liability [Member] Non designated [Member]	Sep. 30, 2011 Guaranteed Minimum Income Benefits Fair Value Gain Loss [Member] Written Options Gmib Liability [Member] Non designated [Member]	Sep. 30, 2012 Guaranteed Minimum Income Benefits Fair Value Gain Loss [Member] Written Options Gmib Liability [Member] Non designated [Member]	Sep. 30, 2011 Guaranteed Minimum Income Benefits Fair Value Gain Loss [Member] Written Options Gmib Liability [Member] Non designated [Member]	Sep. 30, 2012 Guaranteed Minimum Income Benefits Fair Value Gain Loss [Member] Purchased Options Gmib Asset [Member] Non designated [Member]	Sep. 30, 2011 Guaranteed Minimum Income Benefits Fair Value Gain Loss [Member] Purchased Options Gmib Asset [Member] Non designated [Member]	Sep. 30, 2012 Guaranteed Minimum Income Benefits Fair Value Gain Loss [Member] Purchased Options Gmib Asset [Member] Non designated [Member]	Sep. 30, 2011 Guaranteed Minimum Income Benefits Fair Value Gain Loss [Member] Purchased Options Gmib Asset [Member] Non designated [Member]	Sep. 30, 2012 Other Revenue [Member] Guaranteed Minimum Income Benefits Equity Futures [Member] Non designated [Member]	Sep. 30, 2011 Other Revenue [Member] Guaranteed Minimum Income Benefits Equity Futures [Member] Non designated [Member]	Sep. 30, 2012 Other Revenue [Member] Guaranteed Minimum Income Benefits Equity Futures [Member] Non designated [Member]	Sep. 30, 2011 Other Revenue [Member] Guaranteed Minimum Income Benefits Equity Futures [Member] Non designated [Member]	Sep. 30, 2012 Other Revenue [Member] Guaranteed Minimum Death Benefits Equity Futures [Member] Non designated [Member]	Sep. 30, 2011 Other Revenue [Member] Guaranteed Minimum Death Benefits Equity Futures [Member] Non designated [Member]	Sep. 30, 2012 Other Revenue [Member] Guaranteed Minimum Death Benefits Equity Futures [Member] Non designated [Member]	Sep. 30, 2011 Other Revenue [Member] Guaranteed Minimum Death Benefits Equity Futures [Member] Non designated [Member]	Sep. 30, 2012 Other Revenue [Member] Interest Rate Futures Growth Interest [Member] Non designated [Member]	Sep. 30, 2011 Other Revenue [Member] Interest Rate Futures Growth Interest [Member] Non designated [Member]	Sep. 30, 2012 Other Revenue [Member] Interest Rate Futures Growth Interest [Member] Non designated [Member]	Sep. 30, 2011 Other Revenue [Member] Interest Rate Futures Growth Interest [Member] Non designated [Member]	Sep. 30, 2012 Other Revenue [Member] Guaranteed Minimum Income Benefits Growth Interest [Member] Non designated [Member]	Sep. 30, 2011 Other Revenue [Member] Guaranteed Minimum Income Benefits Growth Interest [Member] Non designated [Member]	Sep. 30, 2012 Other Revenue [Member] Guaranteed Minimum Income Benefits Growth Interest [Member] Non designated [Member]	Sep. 30, 2011 Other Revenue [Member] Guaranteed Minimum Income Benefits Growth Interest [Member] Non designated [Member]	Sep. 30, 2012 Other Revenue [Member] Guaranteed Minimum Death Benefits Growth Interest [Member] Non designated [Member]	Sep. 30, 2011 Other Revenue [Member] Guaranteed Minimum Death Benefits Growth Interest [Member] Non designated [Member]	Sep. 30, 2012 Other Revenue [Member] Guaranteed Minimum Death Benefits Growth Interest [Member] Non designated [Member]	Sep. 30, 2011 Other Revenue [Member] Guaranteed Minimum Death Benefits Growth Interest [Member] Non designated [Member]	Sep. 30, 2012 Other Revenue [Member] Interest Rate Swap Growth Interest [Member] Non designated [Member]	Sep. 30, 2011 Other Revenue [Member] Interest Rate Swap Growth Interest [Member] Non designated [Member]	Sep. 30, 2012 Other Revenue [Member] Interest Rate Swap Growth Interest [Member] Non designated [Member]	Sep. 30, 2011 Other Revenue [Member] Interest Rate Swap Growth Interest [Member] Non designated [Member]	Sep. 30, 2012 Notional [Member] Written Options Gmib Liability [Member] Non designated [Member]	Dec. 31, 2011 Notional [Member] Written Options Gmib Liability [Member] Non designated [Member]	Sep. 30, 2012 Notional [Member] Purchased Options Gmib Asset [Member] Non designated [Member]	Dec. 31, 2011 Notional [Member] Purchased Options Gmib Asset [Member] Non designated [Member]	Sep. 30, 2012 Notional [Member] Equity And Currency Futures Contract [Member] Non designated [Member]	Dec. 31, 2011 Notional [Member] Equity And Currency Futures Contract [Member] Non designated [Member]	Sep. 30, 2012 Notional [Member] Treasury Interest Rate Futures Growth Interest [Member] Non designated [Member]	Dec. 31, 2011 Notional [Member] Treasury Interest Rate Futures Growth Interest [Member] Non designated [Member]	Sep. 30, 2012 Notional [Member] Eurodollar Interest Rate Futures Growth Interest [Member] Non designated [Member]	Dec. 31, 2011 Notional [Member] Eurodollar Interest Rate Futures Growth Interest [Member] Non designated [Member]	Sep. 30, 2012 Notional [Member] Interest Rate Swap Growth Interest [Member] Non designated [Member]	Dec. 31, 2011 Notional [Member] Interest Rate Swap Growth Interest [Member] Non designated [Member]
Derivative [Line Items]
Derivative Fair Value		$ 1,184	$ 1,333	$ 625	$ 712	$ 38	$ 33
Derivative Gain Loss								(131)	483	(98)	531	78	(259)	65	(286)	(8)	10	(14)	10	(36)	100	(100)	51	0	(2)	(1)	(2)	1	3	2	5	1	20	6	30	2	25	9	37
Notional Amount Of Derivatives																																								$ 1,101	$ 1,244	$ 606	$ 684	$ 775	$ 994	$ 18	$ 29	$ 597	$ 598	$ 240	$ 240
Derivative Financial Instruments Text Details [Abstract]
Foreign Currency Swaps Cash Flow Hedge Maximum Term	9