Investments and Derivative Instruments Level 4 Offsetting of Derivative Assets and Liabilities (Details) - USD ($) $ in Millions		Sep. 30, 2015	Dec. 31, 2014
Offsetting Derivative Assets [Abstract]
Derivative Asset, Fair Value, Gross Asset		$ 1,246	$ 1,175
Derivative Asset, Fair Value, Gross Liability		1,036	969
Derivative, Collateral, Obligation to Return Cash	[1]	(94)	(158)
Derivative Asset, Fair Value of Collateral	[2]	125	109
Derivative Asset, Fair Value, Amount Offset Against Collateral		85	97
Offsetting Derivative Liabilities [Abstract]
Derivative Liability, Fair Value, Gross Liability		1,865	1,741
Derivative Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset		(892)	(799)
Derivative, Collateral, Right to Reclaim Cash	[3]	(50)	(15)
Derivative Liability, Fair Value of Collateral	[2]	(949)	(1,079)
Derivative Liability, Fair Value, Amount Offset Against Collateral		(24)	(137)
Other Liabilities [Member]
Offsetting Derivative Assets [Abstract]
Derivative Asset, Fair Value, Gross Asset		883	551
Offsetting Derivative Liabilities [Abstract]
Derivative Liability, Fair Value, Gross Liability		1,806	1,481
Other Investments [Member]
Offsetting Derivative Assets [Abstract]
Derivative Asset, Fair Value, Gross Asset		363	624
Offsetting Derivative Liabilities [Abstract]
Derivative Liability, Fair Value, Gross Liability		59	260
Embedded Derivative Financial Instruments [Member] | Other Liabilities [Member]
Offsetting Derivative Assets [Abstract]
Derivative Assets (Liabilities), at Fair Value, Net	[4]		(3)
Derivative Financial Instruments, Liabilities [Member]
Offsetting Derivative Liabilities [Abstract]
Derivative Liability, Fair Value, Amount Offset Against Collateral		(136)	(413)
Derivative Financial Instruments, Liabilities [Member] | Other Liabilities [Member]
Offsetting Derivative Assets [Abstract]
Derivative Assets (Liabilities), at Fair Value, Net	[5]	(923)	(927)	[6]
Derivative Financial Instruments, Assets [Member] | Other Investments [Member]
Offsetting Derivative Assets [Abstract]
Derivative Assets (Liabilities), at Fair Value, Net	[7]	$ 304	$ 364	[8]

[1] Included in other assets in the Company's Condensed Consolidated Balance Sheets and amount presented is limited to the net derivative receivable associated with each counterparty.

[2] Excludes collateral associated with exchange-traded derivative instruments

[3] Included in other liabilities in the Company's Condensed Consolidated Balance Sheets and amount presented is limited to the net derivative payable associated with each counterparty.

[4] [6]Represents embedded derivatives associated with non-funding agreement-backed consumer equity linked notes.

[5] [4]Approximately $3.9 billion and $2.5 billion of investment sales receivable, as of September 30, 2015, and December 31, 2014, respectively, are excluded from this disclosure requirement because they are trade receivables in the ordinary course of business where the carrying amount approximates fair value.

[6] [5]Includes OTC and OTC-cleared derivative instruments in a net negative fair value position (derivative liability) after consideration of the accrued interest and impact of collateral posting requirements, which may be imposed by agreements, clearing house rules and applicable law. In the following Level 3 roll-forward table in this Note 4, the derivative assets and liabilities are referred to as “freestanding derivatives” and are presented on a net basis.

[7] [1]Included in other investments on the Condensed Consolidated Balance Sheets.

[8] [2]Includes over-the-counter ("OTC") and OTC-cleared derivative instruments in a net positive fair value position after consideration of the accrued interest and impact of collateral posting requirements, which may be imposed by agreements, clearing house rules and applicable law. As of September 30, 2015, and December 31, 2014, $136 and $413, respectively, of cash collateral liability was netted against the derivative asset value in the Condensed Consolidated Balance Sheets and is excluded from the preceding table. See the following footnote 5 for derivative liabilities.