Calculation of Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Basic Earnings Per Share
Net income	$ 45	$ 8
Weighted-average shares outstanding	529	543
Basic earnings per share	$ 0.09	$ 0.01
Diluted Earnings Per Share
Net income	$ 45	$ 8
Weighted-average shares outstanding	529	543
Stock options and restricted stock	13	18
Diluted weighted-average shares outstanding	542	561
Diluted earnings per share	$ 0.08	$ 0.01