Other Financial Data - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 26, 2026	Sep. 27, 2025	Sep. 26, 2026	Sep. 27, 2025
Other Income and Expenses [Abstract]
Other expense/(income)	$ 39	$ 22	$ 164	$ 120
Derivative losses/(gains)	14	(3)	32	(194)
Loss/(gain) on sale of business	2	44	(1)	44
Foreign exchange losses/(gains)	(5)	5	37	209
Investment Income, Interest	(24)	(34)	(106)	(85)
Net pension and postretirement non-service cost/(benefit)	$ (29)	$ (34)	$ (133)	$ (90)

Derivative, Gain (Loss) on Derivative, Excluding Net Investment Hedges, Net

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Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction.

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits.

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Amount of income (expense) related to nonoperating activities, classified as other.

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