Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2013

Notes To Financial Statements [Abstract]

Presents the carrying amounts and estimated fair values of the Company's financial instruments for which the carrying values on the Consolidated Balance Sheet are different from their fair values

The following table provides the carrying amounts and estimated fair values of the Company's financial instruments as at December 31, 2013 and December 31,2012 for which the carrying values on the Consolidated Balance Sheet are different from their fair values:

In millions			December 31, 2013				December 31, 2012
			Carrying		Fair		Carrying		Fair
			amount		value		amount		value
Financial assets
	Investments (Note 5)	$	57	$	164	$	30	$	125
Financial liabilities
	Total debt (Note 8)	$	7,840	$	8,683	$	6,900	$	8,379