Acquisition Integration and Restructuring Charges Workforce Reduction (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
Sep. 30, 2011
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 16
Liabilities recognized	9
Utiliized	(17)
Ending Balance	8
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance, employees	327
Liabilities recognized employees	79
Utilized employees	(258)
Ending Balance, employees	148
Beginning Balance	11
Liabilities recognized	2
Utiliized	(7)
Ending Balance	6
Plant Closing [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	5
Liabilities recognized	7
Utiliized	(10)
Ending Balance	$ 2

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 95-3

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

-URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140904-122747

Name:	us-gaap_RestructuringReserve
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant