Inventories

12 Months Ended

Dec. 31, 2010

Inventories [Abstract]

Inventories

Note 8. Inventories

	December 31,
	2010		2009
	(Millions)
Natural gas liquids and olefins	$	87	$	70
Natural gas in underground storage		93		47
Materials, supplies, and other		122		104
	$	302	$	221