v3.26.1
Pension and Postretirement Benefit Plans - Net Periodic Benefit Cost (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 29, 2026
Mar. 30, 2025
Pension Plan [Member] | U.S. [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 0 $ 0
Interest cost 127 133
Expected return on plan assets (188) (184)
Amortization of prior service cost/(credit) 0 0
Actuarial (gains)/losses 0 0
Curtailments 0 0
Special termination benefits 0 0
Net periodic benefit cost/(credit) reported in income (60) (51)
Pension Plan [Member] | International [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 24 24
Interest cost 75 70
Expected return on plan assets (82) (79)
Amortization of prior service cost/(credit) 1 1
Actuarial (gains)/losses 8 0
Curtailments 3 (9)
Special termination benefits 5 0
Net periodic benefit cost/(credit) reported in income 34 8
Postretirement Plans [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 4 4
Interest cost 7 6
Expected return on plan assets (16) (14)
Amortization of prior service cost/(credit) (8) (32)
Actuarial (gains)/losses 0 0
Curtailments (5) (50)
Special termination benefits 0 0
Net periodic benefit cost/(credit) reported in income $ (18) $ (85)