Income Taxes - Schedule of Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Schedule Of Unrecognized Tax Benefits [Line Items]
Balance at the beginning of the year	$ 651	$ 638	$ 672
Increase (decrease) related to prior year tax positions, net	109	(1)	(46)
Increase related to current year tax positions	53	15	42
Decrease related to settlements with tax authorities and lapse of applicable statutes of limitations	(395)	(15)	(31)
Other	29	14	1
Balance at the end of the year	$ 449	$ 651	$ 638

Schedule Of Unrecognized Tax Benefits [Line Items]

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Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions

+ References

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Unrecognized tax benefits increases decreases other.

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 217
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-217

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482525/740-10-45-10B

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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 tax positions that have been or will be taken in current period tax return.

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