Hedging Transactions and Derivative Financial Instruments (Summary of Notional Values and Pretax Impact in Fair Values of Net Investment Hedges and Cash Flow Hedges) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 27, 2026	Mar. 28, 2025
Derivative Instruments, Gain (Loss) [Line Items]
Amounts Reclassified from OCI	$ 50	$ (119)
Net investment hedges | Cross-currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, original notional amount	3,875	3,875
Derivative, notional amount outstanding	2,500	3,000
Gain (Loss) Recognized in OCI	45	(54)
Amounts Reclassified from OCI	0	0
Net investment hedges | Foreign currency denominated debt
Derivative Instruments, Gain (Loss) [Line Items]
Nonderivative, notional amount	7,701	3,333
Net investment hedges, gain (loss), recognized in OCI	93	(136)
Amounts Reclassified from OCI	0	0
Cash flow hedges | Cross-currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, original notional amount	4,000	4,000
Derivative, notional amount outstanding	2,600	2,600
Gain (Loss) Recognized in OCI	58	39
Amounts Reclassified from OCI	(52)	116
Cash flow hedges | Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, original notional amount	1,600	1,600
Derivative, notional amount outstanding	0	0
Gain (Loss) Recognized in OCI	0	0
Amounts Reclassified from OCI	1	1
Cash flow and net investment hedges
Derivative Instruments, Gain (Loss) [Line Items]
Original Notional Amount	17,176	12,808
Notional Amount Outstanding	12,801	8,933
Gain (Loss) Recognized in OCI	196	(151)
Amounts Reclassified from OCI	$ (51)	$ 117