Repositioning and Other Charges (Details 4) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Restructuring and Related Activities Reportable Segment Paragraph Details [Line Items]
Probable And Reasonably Estimable Environmental Liabilities Charges Expense	$ 50	$ 55	$ 101	$ 101
Aerospace [Member] | Repositioning Actions 2010 [Member]
Restructuring and Related Activities Reportable Segment [Line Items]
Expected exit and disposal costs			9
Current year-to-date			0
Remaining exit and disposal costs at end of period	9		9
Aerospace [Member] | Repositioning Actions 2011 [Member]
Restructuring and Related Activities Reportable Segment [Line Items]
Expected exit and disposal costs			5
Remaining exit and disposal costs at end of period	5		5
Automation and Control Solutions [Member] | Repositioning Actions 2010 [Member]
Restructuring and Related Activities Reportable Segment [Line Items]
Expected exit and disposal costs			10
Current year-to-date			(3)
Remaining exit and disposal costs at end of period	7		7
Automation and Control Solutions [Member] | Repositioning Actions 2011 [Member]
Restructuring and Related Activities Reportable Segment [Line Items]
Expected exit and disposal costs			2
Remaining exit and disposal costs at end of period	2		2
Transportation Systems [Member] | Repositioning Actions 2010 [Member]
Restructuring and Related Activities Reportable Segment [Line Items]
Expected exit and disposal costs			3
Current year-to-date			0
Remaining exit and disposal costs at end of period	3		3
Repositioning Actions 2010 [Member]
Restructuring and Related Activities Reportable Segment [Line Items]
Expected exit and disposal costs			22
Current year-to-date			(3)
Remaining exit and disposal costs at end of period	19		19
Repositioning Actions 2011 [Member]
Restructuring and Related Activities Reportable Segment [Line Items]
Expected exit and disposal costs			7
Remaining exit and disposal costs at end of period	7		7
Bendix Asbestos Loss Contingency Liability [Member]
Restructuring and Related Activities Reportable Segment Paragraph Details [Line Items]
Asbestos related litigation charges, net of insurance	40	49	78	87
Potential settlement of certain legal matters				$ 18