Leases - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 25, 2021	Jun. 26, 2020	Jun. 25, 2021	Jun. 26, 2020	Dec. 31, 2020
Lessee Disclosure [Abstract]
Cash paid for operating leases	$ 82	$ 76	$ 160	$ 151
Right-of-use assets obtained in exchange for operating lease liabilities	$ 80	75	$ 155	161
Weighted average remaining lease term in years	4 years		4 years		4 years
Weighted average discount rate	2.30%		2.30%		2.60%
Operating lease, cost	$ 80	75	$ 158	149
Variable lease costs not included in the lease liability	15	15	29	30
Total lease cost	$ 95	$ 90	$ 187	$ 179