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FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Mar. 31, 2014
FAIR VALUE MEASUREMENTS  
Schedule of estimated fair value of the Partnership's long-term debt

 

(unaudited)

 

March 31, 2014

 

December 31, 2013

(millions of dollars)

 

Carrying Value

 

Fair Value

 

Carrying Value

 

Fair Value

 

 

 

 

 

 

 

 

 

Senior Credit Facility due 2017

 

370

 

370

 

380

 

380

Term Loan Facility due 2018

 

500

 

500

 

500

 

500

4.65% Senior Notes due 2021

 

349

 

361

 

349

 

353

5.09% Unsecured Senior Notes due 2015

 

75

 

79

 

75

 

79

5.29% Unsecured Senior Notes due 2020

 

100

 

115

 

100

 

106

5.69% Unsecured Senior Notes due 2035

 

150

 

167

 

150

 

154

3.82% Series D Senior Notes due 2017

 

24

 

25

 

24

 

25

 

 

1,568

 

1,617

 

1,578

 

1,597