Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Numerator:
Net income	$ 92	$ 106	$ 116	$ 71	$ 100	$ 114	$ 126	$ 67	$ 385	$ 407	$ 444
Denominator:
Weighted-average common shares outstanding (in shares)									218	216	223
Dilutive effect of share-based awards (in shares)									2	2	3
Weighted-average dilutive shares outstanding (in shares)									220	218	226
Basic	$ 0.42	$ 0.49	$ 0.53	$ 0.33	$ 0.46	$ 0.53	$ 0.58	$ 0.31	$ 1.77	$ 1.88	$ 2.00
Diluted	$ 0.42	$ 0.48	$ 0.53	$ 0.32	$ 0.46	$ 0.52	$ 0.58	$ 0.31	$ 1.75	$ 1.87	$ 1.97