Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 3,500	$ 3,582	$ 3,530	$ 3,709
Balance at end of period	3,573	3,500	3,573	3,500
Retirement benefit obligations
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(29)	(52)	(29)	(52)
Total before income tax	0	1	0	1
Income tax provision (benefit)	0	0	0	0
Current period comprehensive income (loss), net of tax	0	1	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	1	0	1
Interest rate swap
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(3)	(8)	(5)	(2)
Change in fair value of interest rate swaps	0	(2)	0	(10)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	2	2	4	2
Total before income tax	2	0	4	(8)
Income tax provision (benefit)	0	0	0	(2)
Current period comprehensive income (loss), net of tax	2	0	4	(6)
Balance at end of period	(1)	(8)	(1)	(8)
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(32)	(60)	(34)	(54)
Balance at end of period	$ (30)	$ (59)	$ (30)	$ (59)