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, 2015 | $ 28,580 | $ 19,407 | [1] | $ 12,033 | $ (448) | $ (2,489) | $ 28,503 | $ 77 | $ 464 | ||||
| Net income | 1,445 | 1,446 | 1,446 | (1) | (3) | ||||||||
| Dividends paid | (795) | (795) | (795) | ||||||||||
| Stock-based compensation | 289 | 289 | [1] | 289 | |||||||||
| PNC preferred stock capital contribution | 172 | 172 | [1] | 172 | |||||||||
| Retirement of preferred stock | (172) | (172) | [1] | (172) | |||||||||
| Issuance of common shares related to employee stock transactions | 10 | (630) | [1] | 640 | 10 | ||||||||
| Employee tax withholdings related to employee stock transactions | (266) | (266) | (266) | ||||||||||
| Shares repurchased | (575) | (575) | (575) | ||||||||||
| Net tax benefit (shortfall) from stock-based compensation | 68 | 68 | [1] | 68 | |||||||||
| Subscriptions (redemptions/ distributions) — noncontrolling interest holders | (9) | (9) | 753 | ||||||||||
| Net consolidations (deconsolidations) of sponsored investment funds | (694) | ||||||||||||
| Other comprehensive income (loss) | (112) | (112) | (112) | ||||||||||
| Balance at Jun. 30, 2016 | 28,635 | 19,134 | [1] | 12,684 | (560) | (2,690) | 28,568 | 67 | 520 | ||||
| Balance at Mar. 31, 2016 | (474) | ||||||||||||
| Other comprehensive income (loss) | (86) | (86) | |||||||||||
| Balance at Jun. 30, 2016 | 28,635 | 19,134 | [1] | 12,684 | (560) | (2,690) | 28,568 | 67 | 520 | ||||
| Balance at Dec. 31, 2016 | 29,150 | 19,339 | [2] | 13,660 | (716) | (3,185) | 29,098 | 52 | 194 | ||||
| Net income | 1,721 | 1,719 | 1,719 | 2 | 17 | ||||||||
| Dividends paid | (854) | (854) | (854) | ||||||||||
| Stock-based compensation | 290 | 290 | [2] | 290 | |||||||||
| PNC preferred stock capital contribution | 193 | 193 | [2] | 193 | |||||||||
| Retirement of preferred stock | (193) | (193) | [2] | (193) | |||||||||
| Issuance of common shares related to employee stock transactions | 6 | (592) | [2] | 598 | 6 | ||||||||
| Employee tax withholdings related to employee stock transactions | (296) | (296) | (296) | ||||||||||
| Shares repurchased | (550) | (550) | (550) | ||||||||||
| Subscriptions (redemptions/ distributions) — noncontrolling interest holders | (7) | (7) | 256 | ||||||||||
| Net consolidations (deconsolidations) of sponsored investment funds | 14 | 14 | (196) | ||||||||||
| Other comprehensive income (loss) | 141 | 141 | 141 | ||||||||||
| Adoption of new accounting pronouncement | 1 | 3 | [2] | (2) | 1 | ||||||||
| Balance at Jun. 30, 2017 | 29,616 | 19,040 | [2] | 14,523 | (575) | (3,433) | 29,555 | 61 | 271 | ||||
| Balance at Mar. 31, 2017 | (677) | ||||||||||||
| Other comprehensive income (loss) | 102 | 102 | |||||||||||
| Balance at Jun. 30, 2017 | $ 29,616 | $ 19,040 | [2] | $ 14,523 | $ (575) | $ (3,433) | $ 29,555 | $ 61 | $ 271 | ||||
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