Condensed Consolidated Statements of Changes in Equity - USD ($) $ in Millions |
Total |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
Accumulated Other Comprehensive Income (Loss) [Member] |
Treasury Stock Common [Member] |
Total BlackRock Stockholders' Equity [Member] |
Nonredeemable Noncontrolling Interests [Member] |
Redeemable Noncontrolling Interests / Temporary Equity [Member] |
Redeemable Noncontrolling Interests / Temporary Equity - CIPs [Member] |
Redeemable Noncontrolling Interests / Temporary Equity - Subco [Member] |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2024 | $ 47,664 | $ 13,448 | [1] | $ 35,611 | $ (1,178) | $ (386) | $ 47,495 | $ 169 | $ 1,691 | ||||||||||
| Net income | 3,101 | 0 | [1] | 3,103 | 0 | 0 | 3,103 | (2) | 79 | ||||||||||
| Dividends/distributions declared | (1,646) | 0 | [1] | (1,646) | 0 | 0 | (1,646) | 0 | 0 | ||||||||||
| Stock-based compensation | 467 | 467 | [1] | 0 | 0 | 0 | 467 | 0 | 0 | ||||||||||
| Issuance of common shares related to employee stock transactions | 112 | (42) | [1] | 0 | 0 | 154 | 112 | 0 | 0 | ||||||||||
| Employee tax withholdings related to employee stock transactions | (303) | 0 | [1] | 0 | 0 | (303) | (303) | 0 | 0 | ||||||||||
| Shares repurchased | (750) | 0 | [1] | 0 | 0 | (750) | (750) | 0 | 0 | ||||||||||
| Subscriptions (redemptions/distributions) — noncontrolling interest holders | (2) | 0 | [1] | 0 | 0 | 0 | 0 | (2) | 1,718 | ||||||||||
| Net consolidations (deconsolidations) of sponsored investment funds | 0 | 0 | [1] | 0 | 0 | 0 | 0 | 0 | (1,192) | ||||||||||
| Other comprehensive income (loss) | 663 | 0 | [1] | 0 | 663 | 0 | 663 | 0 | 0 | ||||||||||
| Balance Ending at Jun. 30, 2025 | 49,306 | 13,873 | [1],[2] | 37,068 | (515) | (1,285) | 49,141 | 165 | 2,296 | ||||||||||
| Balance at Mar. 31, 2025 | 48,206 | 13,746 | [2] | 36,283 | (951) | (1,042) | 48,036 | 170 | 1,984 | ||||||||||
| Net income | 1,592 | 0 | [2] | 1,593 | 0 | 0 | 1,593 | (1) | 73 | ||||||||||
| Dividends/distributions declared | (808) | 0 | [2] | (808) | 0 | 0 | (808) | 0 | 0 | ||||||||||
| Stock-based compensation | 226 | 226 | [2] | 0 | 0 | 0 | 226 | 0 | 0 | ||||||||||
| Issuance of common shares related to employee stock transactions | 54 | (99) | [2] | 0 | 0 | 153 | 54 | 0 | 0 | ||||||||||
| Employee tax withholdings related to employee stock transactions | (21) | 0 | [2] | 0 | 0 | (21) | (21) | 0 | 0 | ||||||||||
| Shares repurchased | (375) | 0 | [2] | 0 | 0 | (375) | (375) | 0 | 0 | ||||||||||
| Subscriptions (redemptions/distributions) — noncontrolling interest holders | (4) | 0 | [2] | 0 | 0 | 0 | 0 | (4) | 909 | ||||||||||
| Net consolidations (deconsolidations) of sponsored investment funds | 0 | 0 | [2] | 0 | 0 | 0 | 0 | 0 | (670) | ||||||||||
| Other comprehensive income (loss) | 436 | 0 | [2] | 0 | 436 | 0 | 436 | 0 | 0 | ||||||||||
| Balance Ending at Jun. 30, 2025 | 49,306 | 13,873 | [1],[2] | 37,068 | (515) | (1,285) | 49,141 | 165 | $ 2,296 | ||||||||||
| Balance at Dec. 31, 2025 | 56,115 | 19,750 | [3] | 37,899 | (545) | (1,216) | 55,888 | 227 | $ 2,636 | $ 2,791 | |||||||||
| Net income | 4,133 | 0 | [3] | 4,126 | 0 | 0 | 4,126 | 7 | 34 | 201 | |||||||||
| Dividends/distributions declared | (1,820) | 0 | [3] | (1,820) | 0 | 0 | (1,820) | 0 | 0 | (86) | |||||||||
| Stock-based compensation | 621 | 621 | [3] | 0 | 0 | 0 | 621 | 0 | 0 | 0 | |||||||||
| Issuance of common shares related to employee stock transactions | 102 | (867) | [3] | 0 | 0 | 969 | 102 | 0 | 0 | 0 | |||||||||
| Employee tax withholdings related to employee stock transactions | (371) | 0 | [3] | 0 | 0 | (371) | (371) | 0 | 0 | 0 | |||||||||
| Shares/Subco Units repurchased | (848) | (111) | [3] | 0 | 0 | (737) | (848) | 0 | 0 | (52) | |||||||||
| Subscriptions (redemptions/distributions) — noncontrolling interest holders | (7) | 0 | [3] | 0 | 0 | 0 | 0 | (7) | 2,543 | 0 | |||||||||
| Net consolidations (deconsolidations) of sponsored investment funds | 0 | 0 | [3] | 0 | 0 | 0 | 0 | 0 | (1,341) | 0 | |||||||||
| Other comprehensive income (loss) | (111) | 0 | [3] | 0 | (111) | 0 | (111) | 0 | 0 | 0 | |||||||||
| Change in BlackRock, Inc.'s ownership interest | 26 | 23 | [3] | 0 | 3 | 0 | 26 | 0 | 0 | (26) | |||||||||
| Balance Ending at Jun. 30, 2026 | 57,840 | 19,416 | [3],[4] | 40,205 | (653) | (1,355) | 57,613 | 227 | 3,872 | 2,828 | |||||||||
| Balance at Mar. 31, 2026 | 56,905 | 19,148 | [4] | 39,182 | (678) | (964) | 56,688 | 217 | 3,622 | 2,789 | |||||||||
| Net income | 1,923 | 0 | [4] | 1,914 | 0 | 0 | 1,914 | 9 | 26 | 93 | |||||||||
| Dividends/distributions declared | (891) | 0 | [4] | (891) | 0 | 0 | (891) | 0 | 0 | (42) | |||||||||
| Stock-based compensation | 302 | 302 | [4] | 0 | 0 | 0 | 302 | 0 | 0 | 0 | |||||||||
| Issuance of common shares related to employee stock transactions | 21 | (49) | [4] | 0 | 0 | 70 | 21 | 0 | 0 | 0 | |||||||||
| Employee tax withholdings related to employee stock transactions | (11) | 0 | [4] | 0 | 0 | (11) | (11) | 0 | 0 | 0 | |||||||||
| Shares/Subco Units repurchased | (450) | 0 | [4] | 0 | 0 | (450) | (450) | 0 | 0 | 0 | |||||||||
| Subscriptions (redemptions/distributions) — noncontrolling interest holders | 1 | 0 | [4] | 0 | 0 | 0 | 0 | 1 | 1,317 | 0 | |||||||||
| Net consolidations (deconsolidations) of sponsored investment funds | 0 | 0 | [4] | 0 | 0 | 0 | 0 | 0 | (1,093) | 0 | |||||||||
| Other comprehensive income (loss) | 28 | 0 | [4] | 0 | 28 | 0 | 28 | 0 | 0 | 0 | |||||||||
| Change in BlackRock, Inc.'s ownership interest | 12 | 15 | [3] | 0 | (3) | 0 | 12 | 0 | 0 | (12) | |||||||||
| Balance Ending at Jun. 30, 2026 | $ 57,840 | $ 19,416 | [3],[4] | $ 40,205 | $ (653) | $ (1,355) | $ 57,613 | $ 227 | $ 3,872 | $ 2,828 | |||||||||
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