Pension and Postretirement Benefit Plans - Net Periodic Benefit Cost (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Apr. 02, 2023
Pension Plan [Member] | U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0
Interest cost	139	148
Expected return on plan assets	(208)	(194)
Amortization of prior service cost/(credit)	0	0
Actuarial (gains)/losses	0	9
Curtailments	0	0
Special termination benefits	0	2
Net periodic benefit cost/(credit) reported in income	(69)	(36)
Pension Plan [Member] | International [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	20	22
Interest cost	78	71
Expected return on plan assets	(80)	(76)
Amortization of prior service cost/(credit)	1	0
Actuarial (gains)/losses	0	3
Curtailments	(2)	(1)
Special termination benefits	5	0
Net periodic benefit cost/(credit) reported in income	22	18
Postretirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	4	3
Interest cost	6	5
Expected return on plan assets	(13)	(11)
Amortization of prior service cost/(credit)	(29)	(30)
Actuarial (gains)/losses	0	0
Curtailments	0	(5)
Special termination benefits	0	0
Net periodic benefit cost/(credit) reported in income	$ (33)	$ (37)