Leases - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 24, 2021	Sep. 25, 2020	Sep. 24, 2021	Sep. 25, 2020	Dec. 31, 2020
Lessee Disclosure [Abstract]
Cash paid for operating leases	$ 79	$ 77	$ 239	$ 228
Right-of-use assets obtained in exchange for operating lease liabilities	$ 85	85	$ 240	246
Weighted average remaining lease term in years	4 years		4 years		4 years
Weighted average discount rate	2.20%		2.20%		2.60%
Operating lease, cost	$ 80	77	$ 238	226
Variable lease costs not included in the lease liability	15	12	44	42
Total lease cost	$ 95	$ 89	$ 282	$ 268