Changes in Pension and Other Postretirement Benefit Obligations, Plan Assets and Funded Status (Detail) - North America - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Obligation at beginning of period	$ 924	$ 906
Service cost			$ 7
Interest cost	20	28	36
Assumption changes	(28)
Actuarial (gain) loss	(12)	68
Benefits paid	(74)	(78)
Obligation at end of period	830	924	906
Fair value of plan assets at beginning of period	894	833
Actual return on plan assets	14	130
Employer contribution	2	9
Benefits paid	(74)	(78)
Fair value of plan assets at end of period	836	894	833
Net asset (liability) recognized at end of period	6	(30)
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Obligation at beginning of period	14	13
Assumption changes		1
Currency exchange rate change		1
Benefits paid	(1)	(1)
Obligation at end of period	13	14	$ 13
Employer contribution	1	1
Benefits paid	(1)	(1)
Net asset (liability) recognized at end of period	$ (13)	$ (14)