Income Taxes - Summary of Changes in Gross Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Balance, beginning of year	$ 220	$ 142
Increase based on tax positions related to current year	11	28
Increase based on tax positions of prior years	2	0
Settlements - Increase		1
Settlements - (Decrease)	(6)
Foreign currency translation - Increase		5
Foreign currency translation - (Decrease)	(15)
Statute expirations	(8)	(14)
Acquisitions [note 7]	0	58
Balance, ending of year	$ 204	$ 220

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Amount of unrecognized tax benefits.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
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-Name Accounting Standards Codification
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Amount of decrease in unrecognized tax benefits resulting from foreign currency translation.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from acquisitions.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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