Other income (expense)

12 Months Ended

Dec. 31, 2021

Other Income and Expenses [Abstract]

Other income (expense)

5.    Other income (expense)

	Years ended December 31,
(Millions of dollars)	2021		2020		2019
Investment and interest income	$	80	$	112	$	202
Foreign exchange gains (losses) 1	110		(193)		(67)
License fee income	123		104		121
Gains (losses) on securities	134		37		65
Net periodic pension and OPEB income (cost), excluding service cost	1,279		(90)		(363)
Miscellaneous income (loss)	88		(14)		(15)
Total	$	1,814	$	(44)	$	(57)
1 Includes gains (losses) from foreign exchange derivative contracts.  See Note 4 for further details.