Investments (Tables)

3 Months Ended

Apr. 02, 2016

Investments

Summary of the amortized cost and estimated fair value of short-term investments for both available-for-sale and trading securities

	April 2, 2016				December 31, 2015
	Amortized		Fair		Amortized		Fair
(Millions of dollars)	Cost		Value		Cost		Value
Money market funds	$	133	$	133	$	81	$	81
Total available-for-sale short-term investments		133		133		81		81
Domestic equity securities		466		469		475		466
Domestic debt securities		351		351		452		450
Foreign equity securities		119		114		120		120
High yield debt securities		94		93		108		104
Money market funds held in trading accounts		17		17		22		22
Collateralized loan obligation		10		8		10		10
Other trading securities		—		—		1		1
Total trading short-term investments		1,057		1,052		1,188		1,173
Total short-term investments	$	1,190	$	1,185	$	1,269	$	1,254