Investments (Tables)

9 Months Ended

Oct. 01, 2016

Investments

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

	October 1, 2016				December 31, 2015
	Amortized		Fair		Amortized		Fair
(Millions of dollars)	Cost		Value		Cost		Value
Money market funds	$	—	$	—	$	81	$	81
Total available-for-sale short-term investments		—		—		81		81
Domestic equity securities		466		491		475		466
Domestic debt securities		400		403		452		450
Foreign equity securities		158		159		120		120
High yield debt securities		104		105		108		104
Collateralized loan obligations		14		14		10		10
Money market funds held in trading accounts		8		8		22		22
Other trading securities		—		—		1		1
Total trading short-term investments		1,150		1,180		1,188		1,173
Total short-term investments	$	1,150	$	1,180	$	1,269	$	1,254