Investments (Tables)

12 Months Ended

Dec. 31, 2019

Investments

Summary of the estimated fair value of short-term investments classified as trading securities

		December 31,
(Millions of dollars)	2019		2018
Domestic equity securities	$	706	$	632
Domestic debt securities		409		268
Foreign equity securities		189		218
High yield securities		56		19
Foreign debt securities		43		16
Collateralized loan obligations		15		28
Money market funds held in trading accounts		12		146
Other trading securities		4		9
Total trading short-term investments	$	1,434	$	1,336