Consolidated Sponsored Investment Products - Consolidated VIEs And VREs Recorded in Consolidated Statements of Financial Condition (Detail) (Parenthetical) - USD ($) $ in Millions |
Dec. 31, 2019 |
Dec. 31, 2018 |
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|---|---|---|---|---|
| Consolidated Sponsored Investment Funds [Line Items] | ||||
| Other liabilities | [1] | $ 3,470 | $ 3,263 | |
| Consolidated Variable Interest Entities [Member] | ||||
| Consolidated Sponsored Investment Funds [Line Items] | ||||
| Other liabilities | 820 | 1,374 | ||
| Consolidated Variable Interest Entities [Member] | Borrowings of Consolidated CLO [Member] | ||||
| Consolidated Sponsored Investment Funds [Line Items] | ||||
| Other liabilities | $ 195 | $ 84 | ||
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