Restructuring and Other Charges (Details) (USD $) In Millions	3 Months Ended		9 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 insurance	38	48	116	135
Probable and reasonably estimable envionmental liabilities	76	68	177	169
Other	(2)	24	(5)	42
Total net repositioning and other charges	410	212	637	480
Net Repositionining and Other Charges by Income Statement Classification [Abstract]
Cost of products and services sold	343	185	545	445
Selling, general and administrative expenses	67	27	92	35
Total net repositioning and other charges	410	212	637	480
Severance Costs [Member]
Component Of Operating Other Cost And Expense [Line Items]
Total net repostioning charge	194	64	237	121
Asset Impairments [Member]
Component Of Operating Other Cost And Expense [Line Items]
Total net repostioning charge	76	12	86	21
Exit Costs [Member]
Component Of Operating Other Cost And Expense [Line Items]
Total net repostioning charge	35	5	47	9
Restructuring Reserve Accural Adjustments [Member]
Component Of Operating Other Cost And Expense [Line Items]
Total net repostioning charge	$ (7)	$ (9)	$ (21)	$ (17)