Business Acquisitions and Divestitures - Schedule of Preliminary Purchase Price Allocation (Core Ventures) (Details) - USD ($) $ in Millions	Jun. 02, 2025	Sep. 30, 2025	Mar. 31, 2025
Identifiable assets acquired and liabilities assumed:
Goodwill		$ 11,283	$ 10,022
Core Ventures
Purchase consideration
Cash and other considerations	$ 2,481
Redeemable noncontrolling interests	700
Estimated fair value of total consideration	3,181
Identifiable assets acquired and liabilities assumed:
Current assets	529
Intangible assets	2,310
Other non-current assets	353
Total assets	3,192
Current liabilities	468
Non-current liabilities	328
Net identifiable assets	2,396
Goodwill	785
Net assets acquired	$ 3,181