Contract Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Capitalized Contract Cost [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 1,800
Contract with Customer, Liability	2,041	$ 2,709
Prepaid Supply Agreements [Member]
Capitalized Contract Cost [Line Items]
Contract with Customer, Liability	1,805	2,587
Contract with Customer, Liability, Revenue Recognized	(782)
Software, Services and Other [Member]
Capitalized Contract Cost [Line Items]
Contract with Customer, Liability	$ 236	$ 122