Calculation of Earnings (Loss) Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended						9 Months Ended
	Sep. 24, 2022	Jun. 25, 2022	Mar. 26, 2022	Sep. 25, 2021	Jun. 26, 2021	Mar. 27, 2021	Sep. 24, 2022	Sep. 25, 2021
Basic Earnings (Loss) Per Share
Net income from continuing operations	$ 67			$ 73			$ 142	$ 155
Income (loss) from discontinued operations, net of tax				28			7	(89)
Net income	$ 67	$ 27	$ 55	$ 101	$ (88)	$ 53	$ 149	$ 66
Weighted-average shares outstanding	48			53			49	54
Continuing operations	$ 1.39			$ 1.38			$ 2.92	$ 2.89
Discontinued operations	(0.01)			0.54			0.14	(1.65)
Net basic earnings per share	$ 1.38			$ 1.92			$ 3.06	$ 1.24
Diluted Earnings (Loss) Per Share
Net income from continuing operations	$ 67			$ 73			$ 142	$ 155
Income (loss) from discontinued operations, net of tax				28			7	(89)
Net income	$ 67	$ 27	$ 55	$ 101	$ (88)	$ 53	$ 149	$ 66
Weighted-average shares outstanding	48			53			49	54
Stock options and restricted stock	1			2			1	2
Diluted weighted-average shares outstanding	49			55			50	56
Continuing operations	$ 1.36			$ 1.33			$ 2.84	$ 2.79
Discontinued operations	(0.01)			0.52			0.13	(1.60)
Net diluted earnings per share	$ 1.35			$ 1.85			$ 2.97	$ 1.19