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FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of carrying value and fair value of long-term debt

	2012		2011

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

Senior Credit Facility due 2017	312	312	363	363
4.65% Senior Notes due 2021	349	372	349	368
6.89% Series C Senior Notes due 2012	–	–	3	3
3.82% Series D Senior Notes due 2017	27	30	27	29

	688	714	742	763

- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

+ References

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+ Details