CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 166	$ (208)	$ (319)
Other comprehensive income, net of tax, where applicable:
Foreign currency translation adjustments	(12)		2
Change in deferred pension, net of $(3) million, $6 million and $7 million of deferred income taxes in 2022, 2021 and 2020, respectively	(59)	26	32
Total other comprehensive income, net of tax, where applicable	(71)	26	34
Comprehensive income (loss)	$ 95	$ (182)	$ (285)