Reconciliation Of Income Taxes at Federal Statutory Rate to Provision for Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Income Tax Disclosure [Abstract]
Federal tax computed at the statutory rate	$ 48	$ (8)	$ 37
State taxes, net of Federal benefit	10	4	8
Foreign income taxed at rates other than Federal	(5)	4	(2)
Increase (decrease) in valuation allowance	(3)	(3)	8
Non-deductible Goodwill impairments		24
Other non-deductible expenses and settlements	5	4	3
Non-taxable income and additional deductible expenses	(3)	(3)	(4)
Change in unrecognized tax benefits			2
Impact of stock compensation shortfall	(6)	2
Other items, net	(2)	1	(1)
Income tax expense	$ 44	$ 25	$ 51