Investments (Tables)

3 Months Ended

Mar. 28, 2020

Investments

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

	March 28,		December 31,
(Millions of dollars)	2020		2019
Domestic equity securities	$	473	$	706
Domestic debt securities		360		409
Foreign equity securities		147		189
Foreign debt securities		54		43
High yield securities		51		56
Money market funds held in trading accounts		23		12
Collateralized loan obligations		13		15
Other trading securities		4		4
Total trading short-term investments	$	1,125	$	1,434