Acquisition Integration and Restructuring Charges (Details) (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Acquisition Integration Charges
Total integration charges before income taxes	$ 2	$ 9	$ 5	$ 18
After-tax integration charges	2	6	4	12
Per common share	$ 0.00	$ 0.02	$ 0.01	$ 0.03
Electrical Americas [Member]
Acquisition Integration Charges
Total integration charges before income taxes	1	1	4	2
Electrical Rest of World [Member]
Acquisition Integration Charges
Total integration charges before income taxes	1	7	1	14
Aerospace [Member]
Acquisition Integration Charges
Total integration charges before income taxes	$ 0	$ 1	$ 0	$ 2