v3.26.1
Pension and Postretirement Benefit Plans - Net Periodic Benefit Cost (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Jun. 28, 2026
Jun. 29, 2025
Pension Plan [Member] | U.S. [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 0 $ 0 $ 0 $ 0
Interest cost 126 133 253 265
Expected return on plan assets (186) (184) (374) (368)
Amortization of prior service cost/(credit) 0 0 0 0
Actuarial (gains)/losses 4 0 4 0
Curtailments 0 0 0 0
Special termination benefits 0 0 0 0
Net periodic benefit cost/(credit) reported in income (56) (51) (116) (102)
Pension Plan [Member] | International [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 24 26 49 50
Interest cost 75 72 149 143
Expected return on plan assets (82) (81) (164) (161)
Amortization of prior service cost/(credit) 1 1 2 2
Actuarial (gains)/losses 0 0 8 0
Curtailments (6) 0 (3) (9)
Special termination benefits 4 0 9 0
Net periodic benefit cost/(credit) reported in income 16 18 50 26
Postretirement Plans [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 4 4 8 8
Interest cost 7 6 14 13
Expected return on plan assets (16) (14) (31) (28)
Amortization of prior service cost/(credit) (7) (25) (16) (57)
Actuarial (gains)/losses 0 0 0 0
Curtailments (2) (9) (7) (59)
Special termination benefits 0 0 0 0
Net periodic benefit cost/(credit) reported in income $ (14) $ (38) $ (32) $ (123)