Consolidated Investment Entities (Details 4) (Consolidated Investment Entities, USD $) In Millions, unless otherwise specified			3 Months Ended
Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Net investment income	Mar. 31, 2013 Net investment income
Syndicated loans
Unpaid principal balance	$ 5,028	$ 4,628
Excess estimated unpaid principal over fair value	(49)	(56)
Fair value	4,979	4,572
Fair value of loans more than 90 days past due	27	23
Fair value of loans in nonaccrual status	27	23
Difference between fair value and unpaid principal of loans more than 90 days past due, loans in nonaccrual status or both	28	33
Debt:
Unpaid principal balance	5,446	5,032
Excess estimated unpaid principal over fair value	(221)	(228)
Fair value	5,225	4,804
Total net losses recognized in net investment income related to changes in the fair value of financial assets and liabilities for which the fair value option was elected			$ 21	$ 21

The principal amount outstanding of total long-term debt.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans and long-term receivables (other than securities categorized as trading, available-for-sale or held-to-maturity) that have contractual principal amounts and for which the fair value option has been elected.

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This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of long-term debt instruments that have contractual principal amounts and for which the fair value option has been elected.

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For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

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This item represents the aggregate fair value of loans held as assets that are 90 days or more past due for which the fair value option has been elected.

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This item represents the aggregate fair value of loans held as assets that are in nonaccrual status for which the fair value option has been elected, if the entity's policy is to recognize interest income separately from other changes in fair value.

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For loans held as assets for which the fair value option has been elected, this item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of those loans that are 90 days or more past due, in nonaccrual status, or both.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized.

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