Acquisitions (Tables)

12 Months Ended

Dec. 31, 2012

Acquisitions [Abstract]

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

			Laser		Caiman
			(Millions)
Assets held-for-sale			$	18	$	-
Other current assets				3		16
Property, plant and equipment				158		656
Intangible assets:
	Customer contracts			316		1,141
	Customer relationships			-		250
	Other intangible assets			2		2
Current liabilities				(21)		(94)
Noncurrent liabilities				-		(3)
		Identifiable net assets acquired		476		1,968
Goodwill				290		359
			$	766	$	2,327