Supplemental Financial Information - Other income (expense) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Other Nonrecurring Income (Expense) [Line Items]
Other, net	$ 110	$ 0
Total	110	2
Manufacturing Service Arrangements and Transitional Service Arrangements
Other Nonrecurring Income (Expense) [Line Items]
Income from MSA and TSA arrangements	33	26
Expenses from MSA and TSA arrangements	(33)	(24)
Result from MSA and TSA arrangements	$ 0	$ 2