Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Unrecognized Tax Benefits [Roll Forward]
Balance, January 1	$ 1,006	$ 875	$ 962
Increases:
Current year tax positions	153	161	132
Tax positions related to prior years	46	47	40
Effects of foreign currency translations	13	0	0
Decreases:
Tax positions related to prior years	(12)	(4)	(50)
Settlements with tax authorities	(85)	(39)	(160)
Lapse of statute of limitations	(18)	(21)	(49)
Effects of foreign currency translations	0	(13)	0
Balance, December 31	$ 1,102	$ 1,006	$ 875

Decrease in unrecognized tax benefits excluding amounts pertaining to examined tax returns.

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- Definition

Increase in unrecognized tax benefits excluding amounts pertaining to examined tax returns.

+ References

No definition available.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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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
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-URI https://asc.fasb.org/1943274/2147482663/740-10-55-217

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- Definition

Amount of decrease in unrecognized tax benefits resulting from foreign currency translation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
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- Definition

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

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

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- Definition

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 foreign currency translation.

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
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