Net Interest and Other Financial Costs

9 Months Ended

Sep. 30, 2023

Other Income and Expenses [Abstract]

Net Interest and Other Financial Costs

Net Interest and Other Financial Costs

Net interest and other financial costs were as follows:

	Three Months Ended  September 30,				Nine Months Ended  September 30,
(Millions of dollars)	2023		2022		2023		2022
Interest income	$	(141)	$	(59)	$	(381)	$	(82)
Interest expense	331		332		994		966
Interest capitalized	(11)		(29)		(47)		(77)
Pension and other postretirement non-service costs(a)	(20)		(7)		(68)		4
Loss on extinguishment of debt	—		2		9		2
Investments - net premium (discount) amortization	(41)		(9)		(100)		(15)
Other financial costs	—		10		7		16
Net interest and other financial costs	$	118	$	240	$	414	$	814

(a)See Note 22.