Other Assets-Seed Capital and Private Equity Investments Valued Using Net Asset Value (Detail) (USD $)
In Millions, unless otherwise specified |
6 Months Ended | 12 Months Ended | ||||||
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Jun. 30, 2014
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Dec. 31, 2013
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items] | ||||||||
Fair value | $ 400 | $ 361 | ||||||
Unfunded commitments | 21 | 54 | ||||||
Seed capital and other funds
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items] | ||||||||
Fair value | 318 | [1] | 275 | [1] | ||||
Unfunded commitments | 0 | [1] | 23 | [1] | ||||
Redemption frequency | Daily-quarterly | [1] | Monthly-yearly | [1] | ||||
Investment redemption, notice period | 0-180 days | [1] | 3-45 days | [1] | ||||
Private equity funds
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items] | ||||||||
Fair value | 82 | [2] | 86 | [2] | ||||
Unfunded commitments | $ 21 | [2] | $ 31 | [2] | ||||
Minimum | Seed capital and other funds
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items] | ||||||||
Redemption notice period | 0 days | [1] | 3 days | [1] | ||||
Maximum | Seed capital and other funds
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items] | ||||||||
Redemption notice period | 180 days | [1] | 45 days | [1] | ||||
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