Restructuring and Other Charges (Details) (USD $)
In Millions
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Component Of Operating Other Cost And Expense [Line Items]    
Total net repostioning charge$ 298$ 72$ 349$ 134
Asbestos related litigation charges, net of insurance3848116135
Probable and reasonably estimable envionmental liabilities7668177169
Other(2)24(5)42
Total net repositioning and other charges410212637480
Net Repositionining and Other Charges by Income Statement Classification [Abstract]    
Cost of products and services sold343185545445
Selling, general and administrative expenses67279235
Total net repositioning and other charges410212637480
Severance Costs [Member]
    
Component Of Operating Other Cost And Expense [Line Items]    
Total net repostioning charge19464237121
Asset Impairments [Member]
    
Component Of Operating Other Cost And Expense [Line Items]    
Total net repostioning charge76128621
Exit Costs [Member]
    
Component Of Operating Other Cost And Expense [Line Items]    
Total net repostioning charge355479
Restructuring Reserve Accural Adjustments [Member]
    
Component Of Operating Other Cost And Expense [Line Items]    
Total net repostioning charge$ (7)$ (9)$ (21)$ (17)