Commitments and Contingencies (Details 2) (USD $) In Millions	6 Months Ended
Jun. 30, 2011
Asset [Member]
Asbestos Liability And Related Assets [Abstract]
Beginning Balance, Asset	$ 1,035
Changes in estimate during the period:
Net cash activity, Asset	28
Ending balance	1,028
Liability [Member]
Asbestos Liability And Related Assets [Abstract]
Beginning Balance, Liability	1,676
Changes in estimate during the period:
Average payment per resolved claim	(40)
Ending Balance, Liability	1,692
Asbestos Issue [Member]
Asbestos Liability And Related Assets [Abstract]
Beginning balance	641
Changes in estimate during the period:
Changes in estimates during the period continuing operations, Liabilities	42
Changes in estimates during the period continuing operations, Assets	10
Changes in estimates during period continuing operations, net	32
Changes in estimates during period discontinued operations, Liability	14
Changes in estimates during period discontinued operations, Assets	11
Changes in estimates during period Discontinued operations, net	3
Net cash activity	12
Ending balance	$ 664

Asbestos Liability And Related Assets.

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- Definition

The total undiscounted asbestos liability including legal fees, net of estimated insurance recoveries, for costs the Company is estimated to incur to resolve all pending claims, as well as unasserted claims estimated to be filed over the next 10 years.

+ Details

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- Definition

Changes in accruals during period continuing operations.

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- Definition

Changes in accruals during period Discontinued operations.

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- Definition

Changes In Accruals During Period Discontinued Operations Assets.

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- Definition

Changes In Accruals During Period Discontinued Operations Liability.

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- Definition

Changes In Estimate During Period.

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- Definition

The payments made in the period which reduced asbestos loss contingency reserves, net of associated insurance reimbursements.

+ Details

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- Definition

The carrying amount as of the balance sheet date of the combined total of loss contingency liabilities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9, 10, 11, 12
-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 FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

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- Definition

The payments made in the period which reduced loss contingency liabilities.

+ References

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- Definition

The charge against earnings in the period to increase loss contingency liabilities, net of any adjustments to reduce previously estimated charges.

+ References

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- Definition

The carrying amount as of the balance sheet date of a recorded receivable related to a loss contingency accrual. For example, an insurance recovery receivable to the extent that the insurance recovery is probable and does not exceed the amount of the loss previously recognized in the financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9
-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 FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12053-110248

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The amount of receivables pertaining to a loss contingency added in the period.

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The collections in the period which reduce the recorded receivable pertaining to a loss contingency accrual.

+ References

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