Divestitures - Summary of Net Assets Disposed (Detail) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Disclosure In Tabular Form Of Consideration Received On Disposal Of Business [Line Items]
Fair value of contingent consideration	$ 10	$ 40

The amount of contingent liabilities recognised as of the acquisition date in a business combination. [Refer: Classes of contingent liabilities [domain]; Total for all business combinations [member]]

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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