Condensed Consolidated Statements of Changes in Equity - USD ($) $ in Millions |
Total |
Hps Investment Partners [Member] |
Additional Paid-in Capital [Member] |
Additional Paid-in Capital [Member]
Hps Investment Partners [Member]
|
Retained Earnings [Member] |
Retained Earnings [Member]
Hps Investment Partners [Member]
|
Accumulated Other Comprehensive Income (Loss) [Member] |
Accumulated Other Comprehensive Income (Loss) [Member]
Hps Investment Partners [Member]
|
Treasury Stock Common [Member] |
Treasury Stock Common [Member]
Hps Investment Partners [Member]
|
Total BlackRock Stockholders' Equity [Member] |
Total BlackRock Stockholders' Equity [Member]
Hps Investment Partners [Member]
|
Nonredeemable NCI - CIPs [Member] |
Nonredeemable NCI - CIPs [Member]
Hps Investment Partners [Member]
|
Nonredeemable NCI - Subco [Member] |
Nonredeemable NCI - Subco [Member]
Hps Investment Partners [Member]
|
Redeemable NCI / Temporary Equity - CIPs [Member] |
Redeemable NCI / Temporary Equity - CIPs [Member]
Hps Investment Partners [Member]
|
Redeemable NCI / Temporary Equity - Subco [Member] |
Redeemable NCI / Temporary Equity - Subco [Member]
Hps Investment Partners [Member]
|
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2024 | $ 47,664 | $ 13,448 | [1] | $ 35,611 | $ (1,178) | $ (386) | $ 47,495 | $ 169 | $ 1,691 | $ 0 | ||||||||||||||||||||||||
| Net income | 4,426 | 0 | [1] | 4,426 | 0 | 0 | 4,426 | 0 | 211 | 70 | ||||||||||||||||||||||||
| Dividends/distributions declared | (2,456) | 0 | [1] | (2,456) | 0 | 0 | (2,456) | 0 | 0 | (41) | ||||||||||||||||||||||||
| Stock-based compensation | 886 | 886 | [1] | 0 | 0 | 0 | 886 | 0 | 0 | 0 | ||||||||||||||||||||||||
| Issuance of common shares related to employee stock transactions | 174 | (119) | [1] | 0 | 0 | 293 | 174 | 0 | 0 | 0 | ||||||||||||||||||||||||
| Employee tax withholdings related to employee stock transactions | (312) | 0 | [1] | 0 | 0 | (312) | (312) | 0 | 0 | 0 | ||||||||||||||||||||||||
| Issuance of Subco Units/common shares in connection with acquisitions | 5,734 | 5,734 | [1] | 0 | 0 | 0 | 5,734 | 0 | 0 | 2,981 | ||||||||||||||||||||||||
| Shares/Subco Units repurchased | (1,007) | (257) | [1] | 0 | 0 | (750) | (1,007) | 0 | 0 | (118) | ||||||||||||||||||||||||
| Subscriptions (redemptions/distributions) — noncontrolling interest holders | 2 | 0 | [1] | 0 | 0 | 0 | 0 | 2 | 2,998 | 0 | ||||||||||||||||||||||||
| Net consolidations (deconsolidations) of sponsored investment funds | 45 | 0 | [1] | 0 | 0 | 0 | 0 | 45 | (1,684) | 0 | ||||||||||||||||||||||||
| Other comprehensive income (loss) | 620 | 0 | [1] | 0 | 620 | 0 | 620 | 0 | 0 | 0 | ||||||||||||||||||||||||
| Other | (41) | (41) | [1] | 0 | 0 | 0 | (41) | 0 | 0 | 12 | ||||||||||||||||||||||||
| Balance Ending at Sep. 30, 2025 | 55,735 | 19,651 | [1],[2] | 37,581 | (558) | (1,155) | 55,519 | 216 | 3,216 | 2,904 | ||||||||||||||||||||||||
| Balance at Jun. 30, 2025 | 49,306 | 13,873 | [2] | 37,068 | (515) | (1,285) | 49,141 | 165 | 2,296 | 0 | ||||||||||||||||||||||||
| Net income | 1,325 | 0 | [2] | 1,323 | 0 | 0 | 1,323 | 2 | 132 | 70 | ||||||||||||||||||||||||
| Dividends/distributions declared | (810) | 0 | [2] | (810) | 0 | 0 | (810) | 0 | 0 | (41) | ||||||||||||||||||||||||
| Stock-based compensation | 419 | 419 | [2] | 0 | 0 | 0 | 419 | 0 | 0 | 0 | ||||||||||||||||||||||||
| Issuance of common shares related to employee stock transactions | 62 | (77) | [2] | 0 | 0 | 139 | 62 | 0 | 0 | 0 | ||||||||||||||||||||||||
| Employee tax withholdings related to employee stock transactions | (9) | 0 | [2] | 0 | 0 | (9) | (9) | 0 | 0 | 0 | ||||||||||||||||||||||||
| Issuance of Subco Units/common shares in connection with acquisitions | 5,734 | 5,734 | [2] | 0 | 0 | 0 | 5,734 | 0 | 0 | 2,981 | ||||||||||||||||||||||||
| Shares/Subco Units repurchased | (257) | (257) | [2] | 0 | 0 | 0 | (257) | 0 | 0 | (118) | ||||||||||||||||||||||||
| Subscriptions (redemptions/distributions) — noncontrolling interest holders | 4 | 0 | [2] | 0 | 0 | 0 | 0 | 4 | 1,280 | 0 | ||||||||||||||||||||||||
| Net consolidations (deconsolidations) of sponsored investment funds | 45 | 0 | [2] | 0 | 0 | 0 | 0 | 45 | (492) | 0 | ||||||||||||||||||||||||
| Other comprehensive income (loss) | (43) | 0 | [2] | 0 | (43) | 0 | (43) | 0 | 0 | 0 | ||||||||||||||||||||||||
| Other | (41) | (41) | [2] | 0 | 0 | 0 | (41) | 0 | 0 | 12 | ||||||||||||||||||||||||
| Balance Ending at Sep. 30, 2025 | 55,735 | 19,651 | [1],[2] | 37,581 | (558) | (1,155) | 55,519 | 216 | 3,216 | 2,904 | ||||||||||||||||||||||||
| Balance at Dec. 31, 2025 | 56,115 | 19,750 | [3] | 37,899 | (545) | (1,216) | 55,888 | 227 | $ 0 | 2,636 | 2,791 | |||||||||||||||||||||||
| Net income | 5,877 | 0 | [3] | 5,785 | 0 | 0 | 5,785 | 12 | 80 | 210 | 201 | |||||||||||||||||||||||
| Dividends/distributions declared | (2,751) | 0 | [3] | (2,708) | 0 | 0 | (2,708) | 0 | (43) | 0 | (86) | |||||||||||||||||||||||
| Reclassification - expiration of HPS cash settlement provision | [4] | $ 5,408 | $ 0 | [3] | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 5,408 | $ 0 | $ (2,828) | ||||||||||||||||||||||
| Stock-based compensation | 911 | 911 | [3] | 0 | 0 | 0 | 911 | 0 | 0 | 0 | 0 | |||||||||||||||||||||||
| Issuance of common shares related to employee stock transactions | 149 | (939) | [3] | 0 | 0 | 1,088 | 149 | 0 | 0 | 0 | 0 | |||||||||||||||||||||||
| Employee tax withholdings related to employee stock transactions | (389) | 0 | [3] | 0 | 0 | (389) | (389) | 0 | 0 | 0 | 0 | |||||||||||||||||||||||
| Shares/Subco Units repurchased | (1,398) | (111) | [3] | 0 | 0 | (1,287) | (1,398) | 0 | 0 | 0 | (52) | |||||||||||||||||||||||
| Subscriptions (redemptions/distributions) — noncontrolling interest holders | 93 | 0 | [3] | 0 | 0 | 0 | 0 | 93 | 0 | 3,709 | 0 | |||||||||||||||||||||||
| Net consolidations (deconsolidations) of sponsored investment funds | 22 | 0 | [3] | 0 | 0 | 0 | 0 | 22 | 0 | (2,705) | 0 | |||||||||||||||||||||||
| Other comprehensive income (loss) | (138) | 0 | [3] | 0 | (138) | 0 | (138) | 0 | 0 | 0 | 0 | |||||||||||||||||||||||
| Change in BlackRock, Inc.'s ownership interest | 26 | 28 | [3] | 0 | 3 | 0 | 31 | 0 | (5) | 0 | (26) | |||||||||||||||||||||||
| Balance Ending at Sep. 30, 2026 | 63,925 | 19,639 | [5] | 40,976 | (680) | (1,804) | 58,131 | 354 | 5,440 | 3,850 | 0 | |||||||||||||||||||||||
| Balance at Jun. 30, 2026 | 57,840 | 19,416 | [5] | 40,205 | (653) | (1,355) | 57,613 | 227 | 0 | 3,872 | 2,828 | |||||||||||||||||||||||
| Net income | 1,744 | 0 | [5] | 1,659 | 0 | 0 | 1,659 | 5 | 80 | 176 | 0 | |||||||||||||||||||||||
| Dividends/distributions declared | (931) | 0 | [5] | (888) | 0 | 0 | (888) | 0 | (43) | 0 | 0 | |||||||||||||||||||||||
| Reclassification - expiration of HPS cash settlement provision | [6] | $ 5,408 | $ 0 | [5] | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 5,408 | $ 0 | $ (2,828) | ||||||||||||||||||||||
| Stock-based compensation | 290 | 290 | [5] | 0 | 0 | 0 | 290 | 0 | 0 | 0 | 0 | |||||||||||||||||||||||
| Issuance of common shares related to employee stock transactions | 47 | (72) | [5] | 0 | 0 | 119 | 47 | 0 | 0 | 0 | 0 | |||||||||||||||||||||||
| Employee tax withholdings related to employee stock transactions | (18) | 0 | [5] | 0 | 0 | (18) | (18) | 0 | 0 | 0 | 0 | |||||||||||||||||||||||
| Shares/Subco Units repurchased | (550) | 0 | [5] | 0 | 0 | (550) | (550) | 0 | 0 | 0 | 0 | |||||||||||||||||||||||
| Subscriptions (redemptions/distributions) — noncontrolling interest holders | 100 | 0 | [5] | 0 | 0 | 0 | 0 | 100 | 0 | 1,166 | 0 | |||||||||||||||||||||||
| Net consolidations (deconsolidations) of sponsored investment funds | 22 | 0 | [5] | 0 | 0 | 0 | 0 | 22 | 0 | (1,364) | 0 | |||||||||||||||||||||||
| Other comprehensive income (loss) | (27) | 0 | [5] | 0 | (27) | 0 | (27) | 0 | 0 | 0 | 0 | |||||||||||||||||||||||
| Change in BlackRock, Inc.'s ownership interest | 0 | 5 | [5] | 0 | 0 | 0 | 5 | 0 | (5) | 0 | (0) | |||||||||||||||||||||||
| Balance Ending at Sep. 30, 2026 | $ 63,925 | $ 19,639 | [5] | $ 40,976 | $ (680) | $ (1,804) | $ 58,131 | $ 354 | $ 5,440 | $ 3,850 | $ 0 | |||||||||||||||||||||||
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