Fair Value of Financial Instruments (Changes In Unrealized Gains (Losses) Within Level 3 Financial Instruments Carried At Fair Value And Still Held) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Changes in unrealized gains (losses) within Level 3 financial instruments carried at fair value and still held
Total, net	$ 209		$ 333		$ 1,384		$ 445
Derivative Investments [Member]
Changes in unrealized gains (losses) within Level 3 financial instruments carried at fair value and still held
Change in unrealized gains (losses) included in realized gain (loss)	(343)	[1]	(279)	[1]	(533)	[1]	(618)	[1]
Indexed Annuity and Universal Life Contracts Embedded Derivatives [Member]
Changes in unrealized gains (losses) within Level 3 financial instruments carried at fair value and still held
Change in unrealized gains (losses) included in realized gain (loss)	5	[1]	4	[1]	25	[1]	22	[1]
GLB Embedded Derivative Reserves [Member]
Changes in unrealized gains (losses) within Level 3 financial instruments carried at fair value and still held
Change in unrealized gains (losses) included in realized gain (loss)	508	[1]	556	[1]	1,825	[1]	924	[1]
VIE's Liabilities - Derivative Instruments [Member]
Changes in unrealized gains (losses) within Level 3 financial instruments carried at fair value and still held
Change in unrealized gains (losses) included in realized gain (loss)	35	[1],[2]	57	[1],[2]	61	[1],[2]	117	[1],[2]
Credit Default Swaps [Member]
Changes in unrealized gains (losses) within Level 3 financial instruments carried at fair value and still held
Change in unrealized gains (losses) included in investment income	$ 4	[2]	$ (5)	[2]	$ 6	[2]

[1] Included in realized gain (loss) on our Consolidated Statements of Comprehensive Income (Loss).

[2] Included in net investment income on our Consolidated Statements of Comprehensive Income (Loss).