Fair Value of Assets and Liabilities (Details 6) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Financial assets
Mortgage loans	$ 3,686	$ 4,173
Assets held for sale	0	15,593
Financial liabilities
Notes due to related parties	275	282
Liability for collateral	510	328	561	263
Liabilities held for sale	0	14,899
Carrying value
Financial assets
Mortgage loans	3,686	4,173
Cost method limited partnerships	508	605
Agent loans	431	160
Bank loans	368	341
Notes due from related party	275	275
Assets held for sale	0	1,458
Financial liabilities
Contractholder funds on investment contracts	13,708	15,542
Notes due to related parties	275	282
Liability for collateral	510	328
Liabilities held for sale	0	7,417
Fair value
Financial assets
Mortgage loans	3,922	4,300
Cost method limited partnerships	686	799
Agent loans	427	161
Bank loans	361	325
Notes due from related party	275	275
Assets held for sale	0	1,532
Financial liabilities
Contractholder funds on investment contracts	14,364	16,198
Notes due to related parties	275	282
Liability for collateral	510	328
Liabilities held for sale	$ 0	$ 7,298

Represents the portion of other investments categorized as agent loans, as of the balance sheet date.

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Represents the portion of other investments categorized as bank loans, as of the balance sheet date.

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The liability to return cash and securities received as collateral in conjunction with securities lending and over-the-counter derivatives.

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Amount classified as assets attributable to disposal group held for sale or disposed of.

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Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

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Amount classified as liabilities attributable to disposal group held for sale or disposed of.

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The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

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The amount for notes payable (written promise to pay), due to related parties.

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