Reconciliation of Measure of Division Operating Income to Consolidated Income (Loss) from Continuing Operations Before Income Taxes (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 25, 2022	Jun. 26, 2021	Jun. 25, 2022	Jun. 26, 2021
Segment Reporting [Abstract]
Total Divisions operating income	$ 76	$ 69	$ 185	$ 184
Asset impairments	(3)	(1)	(5)	(13)
Merger, restructuring and other operating expenses, net	(23)	(11)	(34)	(23)
Unallocated expenses	(22)	(27)	(42)	(49)
Interest income	1		2
Interest expense	(4)	(6)	(9)	(14)
Other income, net	3	5	5	17
Income from continuing operations before income taxes	$ 28	$ 29	$ 102	$ 102