Consolidated Investment Entities (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Summary of changes in Level 3 assets held by consolidated investment entities
Transfers out of Level 3			$ (146,000,000)		$ (3,900,000,000)
Other revenues
Summary of changes in Level 3 assets held by consolidated investment entities
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) Included in Investment Income					20,000,000
Net investment income
Summary of changes in Level 3 assets held by consolidated investment entities
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) Included in Investment Income					1,000,000
Consolidated Investment Entities
Summary of changes in Level 3 assets held by consolidated investment entities
Balance, at the end of the period					(4,712,000,000)
Transfers between Level 1 and Level 2	0
Corporate debt securities | Consolidated Investment Entities
Summary of changes in Level 3 assets held by consolidated investment entities
Balance, at the beginning of the period	3,000,000		4,000,000		6,000,000
Purchases, Net-Assets	1,000,000				3,000,000
Sales, Net-Assets	(1,000,000)				(2,000,000)
Settlements, Net-Assets	(1,000,000)		(1,000,000)		(1,000,000)
Transfers out of Level 3					(2,000,000)
Balance, at the end of the period	2,000,000		3,000,000		4,000,000
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) Included in Investment Income			0		0
Common Stocks | Consolidated Investment Entities
Summary of changes in Level 3 assets held by consolidated investment entities
Balance, at the beginning of the period	14,000,000		13,000,000		11,000,000
Total Gains (Losses) Included in Net Income-Assets	1,000,000	[1]	(1,000,000)	[1]	(6,000,000)	[1]
Purchases, Net-Assets	0		7,000,000
Sales, Net-Assets	(3,000,000)		(5,000,000)		(4,000,000)
Transfers into Level 3	21,000,000		15,000,000		29,000,000
Transfers out of Level 3	(19,000,000)		(15,000,000)		(29,000,000)
Balance, at the end of the period	14,000,000		14,000,000		13,000,000
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) Included in Investment Income	(2,000,000)	[1]	0		3,000,000	[1]
Other structured investments | Consolidated Investment Entities
Summary of changes in Level 3 assets held by consolidated investment entities
Balance, at the beginning of the period					22,000,000
Total Gains (Losses) Included in Net Income-Assets					1,000,000	[1]
Purchases, Net-Assets					3,000,000
Transfers out of Level 3					(24,000,000)
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) Included in Investment Income			0		0
Syndicated loans | Consolidated Investment Entities
Summary of changes in Level 3 assets held by consolidated investment entities
Balance, at the beginning of the period	202,000,000		342,000,000
Total Gains (Losses) Included in Net Income-Assets	(1,000,000)	[1]	11,000,000	[1]	12,000,000	[1]
Purchases, Net-Assets	417,000,000		91,000,000		208,000,000
Sales, Net-Assets	(63,000,000)		(14,000,000)		(40,000,000)
Settlements, Net-Assets	(51,000,000)		(87,000,000)		(137,000,000)
Transfers into Level 3	320,000,000		255,000,000		615,000,000
Transfers out of Level 3	(456,000,000)		(396,000,000)		(292,000,000)
Balance, at the end of the period	368,000,000		202,000,000		342,000,000
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) Included in Investment Income	(2,000,000)	[1]			(5,000,000)	[1]
Other assets | Consolidated Investment Entities
Summary of changes in Level 3 assets held by consolidated investment entities
Balance, at the beginning of the period	1,214,000,000		1,108,000,000		887,000,000
Total Gains (Losses) Included in Net Income-Assets	81,000,000	[2]	(78,000,000)	[2]	(13,000,000)	[3]
Total Gains (Losses) Included in Other Comprehensive loss-Assets	39,000,000		28,000,000		10,000,000
Purchases, Net-Assets	689,000,000		328,000,000		299,000,000
Sales, Net-Assets	(86,000,000)		(172,000,000)		(81,000,000)
Settlements, Net-Assets					1,000,000
Transfers into Level 3	8,000,000				7,000,000
Transfers out of Level 3	(9,000,000)				(8,000,000)
Balance, at the end of the period	1,936,000,000		1,214,000,000		1,108,000,000
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) Included in Investment Income	67,000,000	[2]	(98,000,000)	[2]	19,000,000	[4]
Debt | Consolidated Investment Entities
Summary of changes in Level 3 assets held by consolidated investment entities
Balance, at the beginning of the period	(4,450,000,000)		(4,712,000,000)		(5,171,000,000)
Total Gains (Losses) Included in Net Income-Liabilities	(53,000,000)	[1]	(316,000,000)	[1]	(89,000,000)	[1]
Issues, Net-Liabilities	(1,330,000,000)				(27,000,000)
Settlements, Net-Liabilities	1,029,000,000		578,000,000		575,000,000
Balance, at the end of the period	(4,804,000,000)		(4,450,000,000)		(4,712,000,000)
Changes in unrealized gains/ (losses) included in income relating to liabilities held	$ (25,000,000)	[1]	$ (315,000,000)	[1]	$ (64,000,000)	[1]

[1] Included in net investment income in the Consolidated Statements of Operations.

[2] Included in other revenues in the Consolidated Statements of Operations

[3] Included in other revenues in the Consolidated Statements of Operations.

[4] Represents a $20 million gain included in other revenues and a $1 million loss included in net investment income in the Consolidated Statements of Operations.