Financial Instruments - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 26, 2026	Sep. 27, 2025	Dec. 27, 2025
Other Fair Value Disclosure [Line Items]
Short-term investments	$ 8,372		$ 5,013
Equity Securities without Readily Determinable Fair Value, Amount	1,900		1,100
Debt Securities, Available-for-sale, Amortized Cost	14,194		9,366
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount	145		291
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount	155	$ 107
Guarantor Obligations, Maximum Exposure, Undiscounted	8,500
Summary of Investment Holdings [Line Items]
Marketable Security, Unrealized Gain (Loss)	485
Equity Securities, FV-NI, Restricted	1,100		$ 178
Property Lease Guarantee
Other Fair Value Disclosure [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	7,700
Debt Guarantees
Other Fair Value Disclosure [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 750