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] |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2016 | $ 29,140 | $ 19,339 | [1] | $ 13,650 | $ (716) | $ (3,185) | $ 29,088 | $ 52 | $ 194 | ||||
| Net income | 860 | 859 | 859 | 1 | 8 | ||||||||
| Dividends paid | (447) | (447) | (447) | ||||||||||
| Stock-based compensation | 162 | 162 | [1] | 162 | |||||||||
| PNC preferred stock capital contribution | 193 | 193 | [1] | 193 | |||||||||
| Retirement of preferred stock | (193) | (193) | [1] | (193) | |||||||||
| Issuance of common shares related to employee stock transactions | 3 | (573) | [1] | 576 | 3 | ||||||||
| Employee tax withholdings related to employee stock transactions | (287) | (287) | (287) | ||||||||||
| Shares repurchased | (275) | (275) | (275) | ||||||||||
| Subscriptions (redemptions/distributions) — noncontrolling interest holders | (3) | (3) | 135 | ||||||||||
| Net consolidations (deconsolidations) of sponsored investment funds | (28) | ||||||||||||
| Other comprehensive income (loss) | 39 | 39 | 39 | ||||||||||
| Adoption of new accounting pronouncements | 1 | 3 | [1] | (2) | 1 | ||||||||
| Balance at Mar. 31, 2017 | 29,193 | 18,931 | [1] | 14,060 | (677) | (3,171) | 29,143 | 50 | 309 | ||||
| Balance at Dec. 31, 2017 | 31,848 | 19,258 | [2] | 16,939 | (432) | (3,967) | 31,798 | 50 | 416 | ||||
| Net income | 1,088 | 1,089 | 1,089 | (1) | 6 | ||||||||
| Dividends paid | (505) | (505) | (505) | ||||||||||
| Stock-based compensation | 175 | 175 | [2] | 175 | |||||||||
| PNC preferred stock capital contribution | 58 | 58 | [2] | 58 | |||||||||
| Retirement of preferred stock | (58) | (58) | [2] | (58) | |||||||||
| Issuance of common shares related to employee stock transactions | 3 | (575) | [2] | 578 | 3 | ||||||||
| Employee tax withholdings related to employee stock transactions | (384) | (384) | (384) | ||||||||||
| Shares repurchased | (335) | (335) | (335) | ||||||||||
| Subscriptions (redemptions/distributions) — noncontrolling interest holders | (5) | (5) | 352 | ||||||||||
| Net consolidations (deconsolidations) of sponsored investment funds | (213) | ||||||||||||
| Other comprehensive income (loss) | 137 | 137 | 137 | ||||||||||
| Adoption of new accounting pronouncements | 6 | (6) | |||||||||||
| Balance at Mar. 31, 2018 | $ 32,022 | $ 18,858 | [2] | $ 17,529 | $ (301) | $ (4,108) | $ 31,978 | $ 44 | $ 561 | ||||
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