Goodwill - Goodwill Activity (Parenthetical) (Detail) - USD ($) $ in Millions |
12 Months Ended | |
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Dec. 31, 2015 |
Dec. 31, 2014 |
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| Goodwill [Line Items] | ||
| Acquisitions | $ 181 | $ 0 |
| Purchase price | 300 | |
| Contingent consideration at fair value | 27 | |
| Excess of tax goodwill over book goodwill | 231 | $ 263 |
| FutureAdvisor [Member] | ||
| Goodwill [Line Items] | ||
| Acquisitions | 113 | |
| Infraestructura Institucional [Member] | ||
| Goodwill [Line Items] | ||
| Acquisitions | 49 | |
| BlackRock Kelso Capital Advisors LLC [Member] | ||
| Goodwill [Line Items] | ||
| Acquisitions | $ 19 | |
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- Definition The balance of tax-deductible goodwill in excess of book goodwill. No definition available.
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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