Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2011

Table Text Block [Abstract]

Supplemental Cash Flow Table

			Nine Months Ended
			September 30,
millions			2011		2010
Cash paid:
	Interest		$	708	$	579
	Income taxes		$	238	$	209
Non-cash investing activities:
	Fair value of properties and equipment received in non-cash exchange transactions		$	4	$	32
	Gain related to the fair-value remeasurement of Anadarko's pre-acquisition 7% equity
		interest in the Wattenberg Plant	$	21	$	—