Stockholders' Equity and Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2018

Stockholders' Equity and Accumulated Other Comprehensive Loss

Schedule of changes in the components of other comprehensive loss, net of related taxes

	Three Months Ended				Six Months Ended
	June 30,		July 1,		June 30,		July 1,
(Millions of dollars)	2018		2017		2018		2017
Foreign currency translation adjustment	$	(17)	$	1	$	(27)	$	(1)
Unrealized gain on investments (1)		—		2		—		3
Unrecognized pension cost (2)		(3)		1		(2)		2
Other comprehensive income (loss), net of tax	$	(20)	$	4	$	(29)	$	4

Schedule of components of accumulated other comprehensive loss, net of related taxes

	June 30,		December 31,
(Millions of dollars)	2018		2017
Cumulative foreign currency translation adjustment	$	(324)	$	(297)
Unrealized gain on investments		—		7
Unrecognized pension cost		(66)		(64)
Total accumulated other comprehensive loss	$	(390)	$	(354)