Restructuring Liabilities - Summary of Changes in Restructuring Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Restructuring Reserve [Roll Forward]
Balance at beginning of period	$ 5	$ 23	$ 119
Current year charges	1	7	74
Change in estimate		(5)	(21)
Payments and usage—net of accretion	(4)	(20)	(149)
Balance at end of period	2	5	23
Severance and Related Costs
Restructuring Reserve [Roll Forward]
Balance at beginning of period	4	22	119
Current year charges	1	7	71
Change in estimate		(5)	(21)
Payments and usage—net of accretion	(4)	(20)	(147)
Balance at end of period	1	4	22
Facility Closing Costs
Restructuring Reserve [Roll Forward]
Balance at beginning of period	1	1	0
Current year charges	0	0	3
Change in estimate		0	0
Payments and usage—net of accretion	0	0	(2)
Balance at end of period	$ 1	$ 1	$ 1