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
	Mar. 31, 2014		Mar. 31, 2013
Changes in unrealized gains (losses) within Level 3 financial instruments carried at fair value and still held
Total, net	$ (301)	[1]	$ 557	[1]
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)	(110)	[1]	(197)	[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)	(24)	[1]	(23)	[1]
GLB reserves 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)	(172)	[1]	761	[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 investment income	5	[2]	15	[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 realized gain (loss)			$ 1	[1]

[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).