Derivatives - Schedule of Derivative Instruments, Gains & Losses (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 26, 2026	Sep. 27, 2025	Sep. 26, 2026	Sep. 27, 2025
Interest rate swaps \| Derivatives designated as cash flow hedges \| Derivatives designated as hedging instruments \| Income Statement Location [Axis]: us-gaap:InterestExpenseNonoperating
Derivative Instruments, Gain (Loss) [Line Items]
Amount reclassified from accumulated other comprehensive income/(loss) to interest expense	$ (1)	$ (1)	$ (3)	$ (3)
Foreign currency-denominated debt and other payables \| Financial instruments designated as net investment hedges \| Derivatives designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
Included in cumulative translation adjustment within other comprehensive income/(loss)	26	13	368	(1,225)
Cross-currency interest rate swaps \| Financial instruments designated as net investment hedges \| Derivatives designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
Included in cumulative translation adjustment within other comprehensive income/(loss)	(53)	239	(151)	(395)
Gain (loss) on derivative	103	67	299	201
Currency exchange contracts \| Derivatives not designated as hedging instruments \| Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative	(1)	(1)	0	(3)
Currency exchange contracts \| Derivatives not designated as hedging instruments \| Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative	$ (7)	$ 30	$ (7)	$ 43

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Amount, before tax, of increase (decrease) in the cumulative translation adjustment from gain (loss) on foreign currency derivatives that are designated as, and are effective as, economic hedges of a net investment in a foreign entity.

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