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Other income (expense)
 12 Months Ended
Dec. 31, 2019
Other Income and Expenses [Abstract]  
Other income (expense)
5.
Other income (expense)
 
 
 
Years ended December 31,
 
(Millions of dollars)
 
2019
 
2018
 
2017
 
Investment and interest income
 
$
202

 
$
195

 
$
122

 
Foreign exchange gains (losses) 1 
 
(67
)
 
(201
)
 
(213
)
 
License fee income
 
121

 
125

 
100

 
Gains (losses) on sale of securities and affiliated companies
 
30

 
4

 
187

2 
Net periodic pension and OPEB income (cost), excluding service cost
 
(363
)
 
(118
)
 
(54
)
 
Gains (losses) on equity securities measured at fair value 3
 
35

 
(33
)
 
—

 
Miscellaneous income (loss)
 
(15
)
 
(39
)
 
11

 
Total
 
$
(57
)
 
$
(67
)
 
$
153

 

1 
Includes gains (losses) from foreign exchange derivative contracts.  See Note 4 for further details.
2 
Includes pretax gain of $85 million related to the sale of Caterpillar’s equity interest in Iron Planet Holdings Inc.
3 Beginning January 1, 2018, the unrealized gains and losses arising from the revaluation of equity securities are included in Other income (expense) in Statement 1.