Condensed Consolidated Statements of Income - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Revenue
Total revenue		$ 5,276	$ 4,728
Expense
Employee compensation and benefits		1,741	1,580
Distribution and servicing costs		570	518
Direct fund expense		392	338
Sub-advisory and other		47	32
Total sales, asset and account expense		1,009	888
General and administration expense		711	529
Amortization of intangible assets		117	38
Total expense		3,578	3,035
Operating income		1,698	1,693
Nonoperating income (expense)
Net gain (loss) on investments		58	171
Interest and dividend income		173	141
Interest expense		(166)	(92)
Total nonoperating income (expense)		65	220
Income before income taxes		1,763	1,913
Income tax expense		248	290
Net income		1,515	1,623
Net income (loss) attributable to noncontrolling interests		5	50
Net income attributable to BlackRock, Inc.		$ 1,510	$ 1,573
Earnings per share attributable to BlackRock, Inc. common stockholders:
Basic		$ 9.74	$ 10.58
Diluted		$ 9.64	$ 10.48
Weighted-average common shares outstanding:
Basic		155,038,772	148,689,172
Diluted		156,632,023	150,125,182
Investment Advisory, Administration Fees and Securities Lending Revenue [Member]
Revenue
Total revenue	[1],[2]	$ 4,401	$ 3,778
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Related Parties [Member]
Revenue
Total revenue		3,279	2,847
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Other Third Parties [Member]
Revenue
Total revenue		1,122	931
Investment Advisory Performance Fees [Member]
Revenue
Total revenue		60	204
Technology Services and Subscription Revenue [Member]
Revenue
Total revenue		436	377
Distribution Fees [Member]
Revenue
Total revenue		321	310
Advisory and Other Revenue [Member]
Revenue
Total revenue		$ 58	$ 59

[1] Amounts include $157 million and $151 million of securities lending revenue for the three months ended March 31, 2025 and 2024, respectively.

[2] Beginning in the first quarter of 2025, BlackRock reclassified the presentation of the Company's investment advisory, administration fees and securities lending revenue line items to align with the updated presentation of the Company's AUM line items. Such line items have been reclassified for 2024 to conform to this new presentation. See page 11 of Exhibit 99.2 to the Current Report on Form 8-K furnished on April 11, 2025 for the reclassified presentation of the 2024 investment advisory, administration fees and securities lending revenue line items.