Financial Instruments - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 27, 2026	Sep. 26, 2026	Dec. 27, 2025
Other Fair Value Disclosure [Line Items]
Short-term investments	$ 8,025		$ 5,013
Equity Securities without Readily Determinable Fair Value, Amount	1,700		1,100
Debt Securities, Available-for-sale, Amortized Cost	11,455		9,366
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount	$ 118
Guarantor Obligation, Term	15 years
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 4,100
Guarantor Obligations, Maximum Exposure, Undiscounted	4,100
Summary of Investment Holdings [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	4,100
Marketable Security, Unrealized Gain (Loss)	425
Equity Security, FV-NI, Contractual Sale Restriction	1,100		$ 178
Other Commitment	$ 4,500
Subsequent Event
Summary of Investment Holdings [Line Items]
Contractual Obligation		$ 5,000
Other Commitment		9,500
Contractual Obligation		$ 5,000