Other Income (Tables)

6 Months Ended

Jun. 30, 2011

Other Income Tables [Abstract]

Other Income [Table Text Block]

Other income included the following:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
Millions	2011		2010		2011		2010
Rental income	$	19	$	21	$	39	$	41
Net gain on non-operating asset dispositions		4		2		5		8
Interest income		1		1		2		2
Early extinguishment of debt		-		-		-		(16)
Non-operating environmental costs and other		2		(5)		(5)		(15)
Total	$	26	$	19	$	41	$	20