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	6 Months Ended
Jun. 26, 2026	Jun. 27, 2025	Jun. 26, 2026	Jun. 27, 2025
Derivative Instruments, Gain (Loss) [Line Items]
Amounts Reclassified from OCI	$ 27	$ (215)	$ 77	$ (334)
Net investment hedges \| Cross-currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, original notional amount	3,875	3,875	3,875	3,875
Derivative, notional amount outstanding	2,500	3,000	2,500	3,000
Gain (Loss) Recognized in OCI	(5)	(202)	40	(256)
Amounts Reclassified from OCI	0	0	0	0
Net investment hedges \| Foreign currency denominated debt
Derivative Instruments, Gain (Loss) [Line Items]
Nonderivative, notional amount	12,919	4,509	12,919	4,509
Net investment hedges, gain (loss), recognized in OCI	230	(290)	323	(426)
Amounts Reclassified from OCI	0	0	0	0
Cash flow hedges \| Cross-currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, original notional amount	4,000	4,000	4,000	4,000
Derivative, notional amount outstanding	2,600	2,600	2,600	2,600
Gain (Loss) Recognized in OCI	(25)	(200)	33	(161)
Amounts Reclassified from OCI	(29)	213	(81)	329
Cash flow hedges \| Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, original notional amount	1,600	1,600	1,600	1,600
Derivative, notional amount outstanding	0	0	0	0
Gain (Loss) Recognized in OCI	0	0	0	0
Amounts Reclassified from OCI	1	0	2	1
Cash flow and net investment hedges
Derivative Instruments, Gain (Loss) [Line Items]
Original Notional Amount	22,394	13,984	22,394	13,984
Notional Amount Outstanding	18,019	10,109	18,019	10,109
Gain (Loss) Recognized in OCI	200	(692)	396	(843)
Amounts Reclassified from OCI	$ (28)	$ 213	$ (79)	$ 330

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