Acquisitions and Divestitures - Purchase Consideration (Details) - USD ($) $ in Millions	Mar. 31, 2025	Jun. 28, 2025	Dec. 28, 2024
Business Combination [Line Items]
Business Combination, Recognized Liability Assumed, Liability	$ 3,345
Goodwill		$ 25,083	$ 24,839
ZT Systems
Business Combination [Line Items]
Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent	1,500
Business Combination, Recognized Asset Acquired, Other Asset, Current	5,965
Business Combination, Recognized Asset Acquired, Asset, Noncurrent	81
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill	7,546
Business Combination, Recognized Liability Assumed, Liability, Current	3,221
Business Combination, Recognized Liability Assumed, Liability, Noncurrent	124
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less)	4,201
Goodwill	208
Business Combination, Consideration Transferred	4,409
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount	$ 300