Supplemental Balance Sheet Information - Schedules (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2026	Sep. 27, 2025	Sep. 26, 2026	Sep. 27, 2025	Dec. 27, 2025
Inventories
Raw materials	$ 2,212		$ 2,212		$ 909
Work in process	7,416		7,416		4,768
Finished goods	1,835		1,835		2,243
Inventories, Total	11,463		11,463		7,920
Property and Equipment, Net
Land, building and leasehold improvements	1,074		1,074		967
Equipment	4,597		4,597		3,453
Construction in progress	1,317		1,317		508
Property and equipment, gross	6,988		6,988		4,928
Accumulated depreciation	(3,059)		(3,059)		(2,616)
Total property and equipment, net	3,929		3,929		2,312
Accrued Liabilities
Customer-related liabilities	1,405		1,405		1,194
Accrued marketing programs	1,131		1,131		1,454
Accrued compensation and benefits	2,270		2,270		1,645
Other accrued expenses and liabilities	1,425		1,425		957
Total accrued liabilities	6,231		6,231		$ 5,250
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Investment Income, Net	123	$ 55	336	$ 137
Gain (Loss) on Investments	67	26	616	85
Gain (Loss) on Derivative Instruments, Net, Pretax	(1,097)	0	(1,097)	0
Other Nonoperating Income (Expense)	5	1	6	(3)
Other income (expense), net	$ (902)	$ 82	$ (139)	$ 219
Transferred over Time
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Percentage of Revenue to Total Revenue	3.00%	9.00%	4.00%	10.00%