Common Stock and Stock-based Compensation - Schedule of Stock-based Compensation Expense (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2026	Sep. 27, 2025	Sep. 26, 2026	Sep. 27, 2025	Dec. 27, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 523	$ 419	$ 1,513	$ 1,152
Treasury Stock, Shares, Retired	3,500		70,400
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized			65,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized	153,000		153,000
Common stock, authorized (in shares)	4,000,000		4,000,000		4,000,000
Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 9	7	$ 25	18
Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	418	333	1,197	905
Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 96	$ 79	$ 291	$ 229