Acquisitions - Summary of Business Acquisition, Pro Forma Information Combined Results of Operations (Details) - HPS [Member] - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended |
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Jun. 30, 2025 |
Jun. 30, 2025 |
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| Business Combination [Line Items] | ||
| Total revenue | $ 5,781 | $ 11,466 |
| Net income attributable to BlackRock, Inc. | $ 1,489 | $ 2,898 |
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after tax, of pro forma income (loss) of combined entity as if acquisition date of business combination occurred as of beginning of period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of pro forma revenue of combined entity as if acquisition date of business combination occurred as of beginning of period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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