Calculation of Earnings (Loss) Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 26, 2022	Mar. 27, 2021
Basic Earnings (Loss) Per Share
Net income from continuing operations	$ 55	$ 63
Loss from discontinued operations, net of tax		(10)
Net income	$ 55	$ 53
Weighted-average shares outstanding	49	53
Continuing operations	$ 1.14	$ 1.17
Discontinued operations		(0.18)
Net basic earnings per share	$ 1.14	$ 0.99
Diluted Earnings (Loss) Per Share
Net income from continuing operations	$ 55	$ 63
Loss from discontinued operations, net of tax		(10)
Net income	$ 55	$ 53
Weighted-average shares outstanding	49	53
Stock options and restricted stock	2	3
Diluted weighted-average shares outstanding	51	56
Continuing operations	$ 1.09	$ 1.12
Discontinued operations		(0.17)
Net diluted earnings per share	$ 1.09	$ 0.95