Repositioning and Other Charges (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Pretax Impact of Total Net Repositioning and Other Charges by Segment [Line Items]
Total net repositioning and other charges	$ 94	$ 127	$ 227	$ 268
Net Repositioning and Other Charges Paragraph Details [Abstract]
Gross repositioning charge	17	26	65	70
Number of employees severed	360	350	946	967
Previously Established Accruals	10		14
Restructuring Charges Asset Impairment	0		10	9
Restructuring Charges Severance Costs			43	57
Restructuring Charges Exit Costs			12
Aerospace [Member]
Pretax Impact of Total Net Repositioning and Other Charges by Segment [Line Items]
Total net repositioning and other charges	(6)	6	(6)	6
Automation and Control Solutions [Member]
Pretax Impact of Total Net Repositioning and Other Charges by Segment [Line Items]
Total net repositioning and other charges	12	5	45	29
Specialty Materials [Member]
Pretax Impact of Total Net Repositioning and Other Charges by Segment [Line Items]
Total net repositioning and other charges	0	0	13	11
Transportation Systems [Member]
Pretax Impact of Total Net Repositioning and Other Charges by Segment [Line Items]
Total net repositioning and other charges	40	47	76	105
Corporate [Member]
Pretax Impact of Total Net Repositioning and Other Charges by Segment [Line Items]
Total net repositioning and other charges	$ 48	$ 69	$ 99	$ 117