Inventories (Tables)

3 Months Ended

Mar. 31, 2014

Table Text Block [Abstract]

Inventory Disclosure Table

The following summarizes the major classes of inventories included in other current assets:

	March 31,		December 31,
millions	2014		2013
Crude oil	$	119	$	88
Natural gas	2		43
NGLs	96		79
Total	$	217	$	210