Financial Instruments - Schedule of Carrying Amounts and Estimated Fair Values of Financial Instruments not Recorded at Fair Value (Details) - USD ($) $ in Millions	Dec. 27, 2025	Dec. 28, 2024
Schedule of Investments [Line Items]
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost	$ 6,528	$ 2,073
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value	6,528	2,073
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Amortized Cost	2,195	406
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value	2,199	405
Debt Security, Available-for-sale, Maturity, Allocated and Single maturity date, rolling after five years, amortized cost	23	27
Debt Securities, Available-for-sale, maturity, allocated and single maturity date, rolling after five years, fair value	22	26
Debt Securities, Available-for-Sale, Amortized Cost	9,366	4,003
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	4	0
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	(1)	(3)
Debt Securities, Available-for-Sale	9,369	4,000
Short-term Investments
Schedule of Investments [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost	8,746	2,506
Debt Securities, Available-for-Sale	8,749	2,504
Carrying Amount
Summary of Investment Holdings [Line Items]
Short-term debt	874	0
Estimated Fair Value | Level 2
Summary of Investment Holdings [Line Items]
Short-term debt	879	0
Government money Market Funds
Schedule of Investments [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost	620	1,496
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	0	0
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	0	0
Debt Securities, Available-for-Sale	620	1,496
Commercial Paper
Schedule of Investments [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost	4,974	1,621
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	2	0
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	0	(1)
Debt Securities, Available-for-Sale	4,976	1,620
US Government Agencies Debt Securities
Schedule of Investments [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost	3,065	544
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	2	0
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	0	0
Debt Securities, Available-for-Sale	3,067	544
Bank Time Deposits [Member]
Schedule of Investments [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost	183	117
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	0	0
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	0	0
Debt Securities, Available-for-Sale	183	117
Asset-Backed Securities
Schedule of Investments [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost	23	30
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	0	0
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	(1)	(2)
Debt Securities, Available-for-Sale	$ 22	$ 28