Repositioning and Other Charges (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning and other charges	$ 410	$ 212	$ 637	$ 480
Net Repositioning and Other Charges Paragraph Details [Abstract]
Gross repositioning charge	305	81	370	151
Number of employees severed	2,097	1,188	3,043	2,155
Previously Established Accruals			21	17
Restructuring Charges Asset Impairment	76	12	86	21
Restructuring Charges Severance Costs	194	64	237	121
Restructuring Charges Exit Costs	35		47
Aerospace [Member]
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning and other charges	38	27	32	33
Automation and Control Solutions [Member]
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning and other charges	137	34	182	63
Specialty Materials [Member]
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning and other charges	28	14	41	25
Transportation Systems [Member]
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning and other charges	120	44	196	149
Corporate [Member]
Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items]
Total net repositioning and other charges	$ 87	$ 93	$ 186	$ 210