Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Schedule of net benefit costs

	U.S. Pension Benefits				Non-U.S. Pension Benefits				Other Postretirement Benefits
	September 30,				September 30,				September 30,
(Millions of dollars)	2023		2022		2023		2022		2023		2022
For the three months ended:
Components of net periodic benefit cost:
Service cost	$	—	$	—	$	10	$	15	$	16	$	24
Interest cost	164		100		30		17		36		20
Expected return on plan assets	(173)		(167)		(40)		(33)		(2)		(3)
Amortization of prior service cost (credit)	—		—		—		—		(3)		(1)
Net periodic benefit cost (benefit) 1	$	(9)	$	(67)	$	—	$	(1)	$	47	$	40
For the nine months ended:
Components of net periodic benefit cost:
Service cost	$	—	$	—	$	30	$	40	$	50	$	74
Interest cost	492		301		91		53		108		60
Expected return on plan assets	(517)		(502)		(120)		(100)		(8)		(9)
Amortization of prior service cost (credit)	—		—		—		—		(9)		(4)
Net periodic benefit cost (benefit) 1	$	(25)	$	(201)	$	1	$	(7)	$	141	$	121

1 The service cost component is included in Operating costs in the Consolidated Statement of Results of Operations. All other components are included in Other income (expense) in the Consolidated Statement of Results of Operations.

Summary of company costs related to U.S. and non-U.S. defined contribution plans

Total company costs related to our defined contribution plans, which are included in Operating Costs in the Consolidated Statement of Results of Operations, were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
(Millions of dollars)	2023		2022		2023		2022
U.S. Plans	$	120	$	87	$	405	$	236
Non-U.S. Plans	27		29		85		85
	$	147	$	116	$	490	$	321