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v3.25.4

Borrowings (Tables) | 12 Months Ended
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Dec. 31, 2025
Debt Disclosure [Abstract] |
Carrying Value and Fair Value of Long-Term Borrowings Determined Market Prices EUR/USD Foreign Exchange Rate | The carrying value and fair value of long-term borrowings determined using market prices and EUR/USD foreign exchange rate at December 31, 2025 included the following:
(in millions) | Maturity Amount |  |  | Unamortized Discount and Debt Issuance Costs(1) |  |  | Carrying Value |  |  | Fair Value |
3.20% Notes due 2027(2) | $ | 700 |  |  | $ | (1 | ) |  | $ | 699 |  |  | $ | 696 |
4.60% Notes due 2027 |  | 800 |  |  |  | (2 | ) |  |  | 798 |  |  |  | 810 |
4.70% Notes due 2029 |  | 500 |  |  |  | (3 | ) |  |  | 497 |  |  |  | 511 |
3.25% Notes due 2029(2) |  | 1,000 |  |  |  | (5 | ) |  |  | 995 |  |  |  | 978 |
2.40% Notes due 2030(2) |  | 1,000 |  |  |  | (3 | ) |  |  | 997 |  |  |  | 935 |
1.90% Notes due 2031(2) |  | 1,250 |  |  |  | (6 | ) |  |  | 1,244 |  |  |  | 1,123 |
2.10% Notes due 2032(2) |  | 1,000 |  |  |  | (9 | ) |  |  | 991 |  |  |  | 883 |
4.75% Notes due 2033(2) |  | 1,250 |  |  |  | (15 | ) |  |  | 1,235 |  |  |  | 1,277 |
5.00% Notes due 2034 |  | 1,000 |  |  |  | (6 | ) |  |  | 994 |  |  |  | 1,032 |
4.90% Notes due 2035 |  | 500 |  |  |  | (5 | ) |  |  | 495 |  |  |  | 510 |
3.75% Notes due 2035 |  | 1,175 |  |  |  | (8 | ) |  |  | 1,167 |  |  |  | 1,187 |
5.25% Notes due 2054 |  | 1,500 |  |  |  | (30 | ) |  |  | 1,470 |  |  |  | 1,436 |
5.35% Notes due 2055 |  | 1,200 |  |  |  | (14 | ) |  |  | 1,186 |  |  |  | 1,168 |
Total long-term borrowings | $ | 12,875 |  |  | $ | (107 | ) |  | $ | 12,768 |  |  | $ | 12,546 |
(1) The unamortized discount and debt issuance costs are being amortized over the term of the notes. (2) Issued by Old BlackRock and guaranteed by BlackRock, Inc.

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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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