FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of estimated fair value of the Partnership's long-term debt

	2013		2012^(a)

December 31 (millions of dollars)	Carrying Value	Fair Value	Carrying Value	Fair Value

Senior Credit Facility due 2017	380	380	312	312
Term Loan Facility due 2018	500	500	–	–
4.65% Senior Notes due 2021	349	353	349	372
5.09% Unsecured Senior Notes due 2015	75	79	75	83
5.29% Unsecured Senior Notes due 2020	100	106	100	123
5.69% Unsecured Senior Notes due 2035	150	154	150	201
3.82% Series D Senior Notes due 2017	24	25	27	30

	1,578	1,597	1,013	1,121

^(a): Recast as discussed in Note 2 and Note 6.

- Definition

Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

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