SEGMENT FINANCIAL REPORTING (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Segment Reporting Information [Line Items]
Product sales	$ 7,377	$ 6,813
Service sales	1,930	1,859
Revenues	9,307	8,672
Total segment profit	1,415	1,260
Other income (expense)	5	20
Interest and other financial charges	(89)	(99)
Stock compensation expense	(51)	(49)
Pension ongoing expense	(13)	(35)
Other postretirement income/(expense)	(23)	(18)
Repositioning and other charges	(122)	(133)
Income from continuing operations before taxes	1,122	946
Aerospace [Member]
Segment Reporting Information [Line Items]
Product sales	1,705	1,466
Service sales	1,245	1,230
Revenues	2,950	2,696
Total segment profit	534	467
Repositioning and other charges	(1)	0
Automation and Control Solutions [Member]
Segment Reporting Information [Line Items]
Product sales	3,251	3,136
Service sales	537	520
Revenues	3,788	3,656
Total segment profit	491	459
Repositioning and other charges	1	(33)
Performance Materials And Technologies [Member]
Segment Reporting Information [Line Items]
Product sales	1,467	1,246
Service sales	148	109
Revenues	1,615	1,355
Total segment profit	319	284
Repositioning and other charges	(14)	(13)
Transportation Systems [Member]
Segment Reporting Information [Line Items]
Product sales	954	965
Service sales	0	0
Revenues	954	965
Total segment profit	120	118
Repositioning and other charges	(52)	(36)
Corporate [Member]
Segment Reporting Information [Line Items]
Product sales	0	0
Service sales	0	0
Revenues	0	0
Total segment profit	(49)	(68)
Repositioning and other charges	$ (56)	$ (51)