FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Sep. 30, 2015

FAIR VALUE MEASUREMENTS

Schedule of estimated fair value of debt

(unaudited)	September 30, 2015		December 31, 2014
(millions of dollars)	Carrying Value	Fair Value	Carrying Value	Fair Value
Senior Credit Facility due 2017	190	190	330	330
2013 Term Loan Facility due 2018	500	500	500	500
Short-Term Loan Facility due 2015	-	-	170	170
2015 Term Loan due 2018	170	170	-	-
4.65% Senior Notes due 2021, net	350	347	350	375
4.375% Senior Notes due 2025, net	349	330	-	-
5.09% Unsecured Senior Notes due 2015	-	-	75	76
Unsecured Term Loan facility due 2019	75	75	-	-
5.29% Unsecured Senior Notes due 2020	100	109	100	111
5.69% Unsecured Senior Notes due 2035	150	158	150	168
3.82% Series D Senior Notes due 2017	20	21	20	21
	1,904	1,900	1,695	1,751