Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of Purchase Commitments

Future minimum payments for non-cancelable purchase commitments, excluding non-dedicated transportation lines, are summarized below:

(in millions)	Purchase Commitments
Twelve Months Ending June 30,
2015	$	1,389
2016	1,691
2017	1,257
2018	24
2019	2
Thereafter	—
Total	$	4,363