v3.26.3
Pension and Postretirement Benefit Plans - Net Periodic Benefit Cost (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 27, 2026
Sep. 28, 2025
Sep. 27, 2026
Sep. 28, 2025
Pension Plan [Member] | U.S. [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 0 $ 0 $ 0 $ 0
Interest cost 126 133 380 398
Expected return on plan assets (187) (184) (560) (551)
Amortization of prior service cost/(credit) 0 0 0 0
Actuarial (gains)/losses (21) 12 (17) 12
Curtailments 0 0 0 0
Special termination benefits 0 0 0 0
Net periodic benefit cost/(credit) reported in income (81) (40) (198) (142)
Pension Plan [Member] | International [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 23 27 72 77
Interest cost 74 76 223 218
Expected return on plan assets (81) (85) (244) (246)
Amortization of prior service cost/(credit) 1 1 3 3
Actuarial (gains)/losses 0 5 8 5
Curtailments 0 0 (3) (9)
Special termination benefits 1 1 10 1
Net periodic benefit cost/(credit) reported in income 19 24 69 50
Postretirement Plans [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 4 4 13 13
Interest cost 7 6 21 19
Expected return on plan assets (16) (14) (47) (43)
Amortization of prior service cost/(credit) (7) (17) (23) (74)
Actuarial (gains)/losses 0 0 0 0
Curtailments (3) (6) (10) (65)
Special termination benefits 0 0 0 0
Net periodic benefit cost/(credit) reported in income $ (15) $ (27) $ (47) $ (150)