Income Taxes - Schedule of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, beginning of year	$ 1,470	$ 1,477	$ 1,254
Gross increases to tax positions in prior periods	70	140	19
Gross decreases to tax positions in prior periods	(147)	(201)	(39)
Gross increases to current period tax positions	166	132	256
Gross decreases due to settlements with taxing authorities	(62)	(11)	0
Gross decreases due to statute of limitations lapse	(18)	(67)	(13)
Unrecognized tax benefits, end of year	$ 1,479	$ 1,470	$ 1,477

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

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

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

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