Schedule of Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended						9 Months Ended
	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 28, 2019	Sep. 29, 2018
Numerator:
Income from continuing operations	$ 105			$ 114			$ 292	$ 307
Income from discontinued operations—net of tax	1			0			1	0
Net income	$ 106	$ 116	$ 71	$ 114	$ 126	$ 67	$ 293	$ 307
Denominator:
Weighted-average common shares outstanding	218			217			218	216
Dilutive effect of share-based awards	2			1			1	2
Weighted-average dilutive shares outstanding	220			218			219	218
Continuing operations	$ 0.48			$ 0.53			$ 1.33	$ 1.42
Discontinued operations	0.01			0			0.01	0
Net income per share	0.49			0.53			1.34	1.42
Continuing operations	0.47			0.52			1.33	1.41
Discontinued operations	0.01			0			0.01	0
Net income per share	$ 0.48			$ 0.52			$ 1.34	$ 1.41