Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Summary Of Purchase And Sale Commitments

We account for derivatives at fair value with the exception of commitments which have been designated as normal purchases and sales for which we do not record assets or liabilities related to these agreements until the product is purchased or sold. At September 30, 2013, such commitments included the following (in thousands):

	Volume (Barrels)	Value
Fixed price purchases	202	$	20,324
Fixed price sales	330	$	34,749
Floating price purchases	18,016	$	1,781,247
Floating price sales	18,600	$	1,814,662