| Fiscal period | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|
| Period End Date | 12/31/2025 | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 |
|---|
| Investment advisory and administration fees:Separate accounts | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Investment advisory and administration fees: Mutual funds | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Investment advisory and administration base fees:Related parties | -- | 12,050.00 | 10,757.00 | 10,848.00 | 11,474.00 | 9,079.00 | 8,323.00 | 8,226.00 | 7,740.00 | 6,836.00 |
| Investment advisory and administration base fees:Other third parties | -- | 4,050.00 | 3,642.00 | 3,603.00 | 3,786.00 | 3,560.00 | 3,454.00 | 3,327.00 | 3,153.00 | 3,044.00 |
| Investment advisory performance fees | 1,424.00 | 1,207.00 | 554.00 | 514.00 | 1,143.00 | 1,104.00 | 450.00 | 412.00 | 594.00 | 295.00 |
| BlackRock Solutions and advisory | 277.00 | 224.00 | 159.00 | 163.00 | 169.00 | 192.00 | -- | -- | 677.00 | 714.00 |
| Investment advisory, administration fees and securities lending | 19,179.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Distribution fees | 1,355.00 | 1,273.00 | 1,262.00 | 1,381.00 | 1,521.00 | 1,131.00 | 1,069.00 | 1,155.00 | 24.00 | 41.00 |
| Other income: Unaffiliated | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other income:Affiliate | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other income:Other | -- | -- | -- | -- | -- | -- | 269.00 | 293.00 | 303.00 | 225.00 |
| Technology and risk management revenue | 1,981.00 | 1,603.00 | 1,485.00 | 1,364.00 | 1,281.00 | 1,139.00 | 974.00 | 785.00 | -- | -- |
| Total Revenue | 24,216.00 | 20,407.00 | 17,859.00 | 17,873.00 | 19,374.00 | 16,205.00 | 14,539.00 | 14,198.00 | 12,491.00 | 11,155.00 |
| Portfolio administration and servicing costs:Other third parties | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Portfolio administration and servicing costs:Related parties | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Amortization of intangible assets | 775.00 | 291.00 | 151.00 | 151.00 | 147.00 | 106.00 | 97.00 | 50.00 | 89.00 | 99.00 |
| Amortization of deferred mutual fund sales commissions | -- | -- | -- | -- | -- | -- | -- | -- | 17.00 | 34.00 |
| Employee compensation and benefits | 8,446.00 | 6,546.00 | 5,779.00 | 5,681.00 | 6,043.00 | 5,041.00 | 4,470.00 | 4,320.00 | 4,255.00 | 3,880.00 |
| Long-Term Retention and Incentive Plan | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| General and administration: Unaffiliated | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| General and administration: Affiliated | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| General and administration | 2,731.00 | 2,221.00 | 2,211.00 | 2,160.00 | 2,221.00 | 2,465.00 | 1,758.00 | 1,638.00 | 1,462.00 | 1,301.00 |
| General and administration:Other | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Restructuring charges | 39.00 | -- | 61.00 | 91.00 | -- | -- | -- | 60.00 | -- | 76.00 |
| Fund administration and servicing costs: Unaffiliated | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Fund administration and servicing costs: Affiliated | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Fee sharing payment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Fund administration and servicing costsOther | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Impairment of intangible assets | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Termination of closed-end fund administration and servicing arrangements | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Direct fund expenses | (1,767.00) | (1,464.00) | (1,331.00) | (1,226.00) | (1,313.00) | (1,063.00) | (978.00) | (998.00) | (904.00) | (766.00) |
| Distribution and servicing costs | (2,460.00) | (2,171.00) | (2,051.00) | (2,179.00) | (2,200.00) | (1,835.00) | (1,685.00) | (1,675.00) | (492.00) | (429.00) |
| Change in fair value of contingent consideration | (720.00) | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Sub-advisory and other | (233.00) | (140.00) | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Operating Expenses | 17,171.00 | 12,833.00 | 11,584.00 | 11,488.00 | 11,924.00 | 10,510.00 | 8,988.00 | 8,741.00 | 7,219.00 | 6,585.00 |
| Operating income | 7,045.00 | 7,574.00 | 6,275.00 | 6,385.00 | 7,450.00 | 5,695.00 | 5,551.00 | 5,457.00 | 5,272.00 | 4,570.00 |
| Interest Expense | 614.00 | 538.00 | 292.00 | 212.00 | 205.00 | 205.00 | 203.00 | 184.00 | 205.00 | 205.00 |
| Net gain (loss) on investments | -- | 492.00 | 699.00 | (35.00) | 841.00 | 972.00 | 342.00 | 1.00 | 161.00 | 55.00 |
| Interest and dividend income | 554.00 | 767.00 | 473.00 | 152.00 | 87.00 | 62.00 | 97.00 | 104.00 | 49.00 | 40.00 |
| Investment income | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net gain (loss) on consolidated variable interest entities | 634.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total non-operating income (expenses) | 574.00 | -- | 880.00 | (95.00) | 723.00 | -- | 236.00 | (79.00) | 5.00 | (110.00) |
| Income before income taxes and minority interest | 7,619.00 | 8,295.00 | 7,155.00 | 6,290.00 | 8,173.00 | 6,524.00 | 5,787.00 | 5,378.00 | 5,277.00 | 4,460.00 |
| Current: Federal | -- | -- | 641.00 | 255.00 | -- | -- | -- | -- | -- | -- |
| Current: Foreign | -- | -- | 538.00 | 448.00 | -- | -- | -- | -- | -- | -- |
| Deferred: Federal | -- | -- | 101.00 | 562.00 | -- | -- | -- | -- | -- | -- |
| Income taxes | 1,677.00 | 1,783.00 | 1,479.00 | 1,296.00 | 1,968.00 | 1,238.00 | 1,261.00 | 1,076.00 | 270.00 | 1,290.00 |
| Current: State and local | -- | -- | 176.00 | (9.00) | -- | -- | -- | -- | -- | -- |
| Current: Release of reserves related to New York State and New York City tax audits | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Deferred: State and local | -- | -- | 11.00 | 64.00 | -- | -- | -- | -- | -- | -- |
| Deferred income tax expense : Foreign | -- | -- | 12.00 | (24.00) | -- | -- | -- | -- | -- | -- |
| Minority interest | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income | 5,942.00 | 6,512.00 | 5,676.00 | 4,994.00 | 6,205.00 | 5,286.00 | 4,526.00 | 4,302.00 | 5,007.00 | 3,170.00 |
| Less: Net income (loss) attributable to non-controlling interests | 262.00 | 143.00 | 174.00 | (184.00) | 304.00 | 354.00 | 50.00 | (3.00) | 37.00 | (2.00) |
| Less:Net income (loss) attributable to redeemable non-controlling interests | 127.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Less:Net income (loss) attributable to nonredeemable non-controlling interests | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income attributable to BlackRock, Inc | 5,553.00 | 6,369.00 | 5,502.00 | 5,178.00 | 5,901.00 | 4,932.00 | 4,476.00 | 4,305.00 | 4,970.00 | 3,172.00 |
| Net Earnings Per Share (Basic) | 35.83 | 42.45 | 36.85 | 34.31 | 38.76 | 32.13 | 28.69 | 26.86 | 30.65 | 19.29 |
| Net Earnings Per Share (Diluted) | 35.31 | 42.01 | 36.51 | 33.97 | 38.22 | 31.85 | 28.43 | 26.58 | 30.23 | 19.04 |
| Weighted Average Shares Outstanding (Basic) | 155.00 | 150.00 | 149.30 | 150.90 | 152.24 | 153.49 | 156.01 | 160.30 | 162.16 | 164.43 |
| Weighted Average Shares Outstanding (Diluted) | 160.90 | 151.60 | 150.70 | 152.40 | 154.40 | 154.84 | 157.46 | 161.95 | 164.42 | 166.58 |