Goodwill - Goodwill Activity (Detail) $ in Millions	3 Months Ended
Mar. 31, 2025 USD ($)
Goodwill [Roll Forward]
December 31, 2024	$ 25,949
Acquisition	2,344
Other	5
March 31, 2025	$ 28,298

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details