Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 3,573	$ 3,500	$ 3,530	$ 3,709
Balance at end of period	3,648	3,515	3,648	3,515
Retirement benefit obligations
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(29)	(51)	(29)	(52)
Total before income tax	0	0	0	1
Income tax provision (benefit)	0	0	0	0
Current period comprehensive income (loss), net of tax	0	0	0	1
Balance at end of period	(29)	(51)	(29)	(51)
Amortization of net loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	0	0	0	1
Interest rate swap
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(1)	(8)	(5)	(2)
Change in fair value of interest rate swaps	1	0	1	(10)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	1	2	5	4
Total before income tax	2	2	6	(6)
Income tax provision (benefit)	1	0	1	(2)
Current period comprehensive income (loss), net of tax	1	2	5	(4)
Balance at end of period	0	(6)	0	(6)
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(30)	(59)	(34)	(54)
Balance at end of period	$ (29)	$ (57)	$ (29)	$ (57)