SEGMENT FINANCIAL DATA (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Product sales	$ 8,234	$ 7,540
Service sales	2,158	1,952
Net sales	10,392	9,492
Total segment profit	1,995	1,789
Corporate Non Segment [Member]
Segment Reporting Information [Line Items]
Total segment profit	(64)	(61)
Aerospace [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Product sales	2,728	2,396
Service sales	1,249	1,150
Net sales	3,977	3,546
Total segment profit	893	796
Performance Materials And Technologies [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Product sales	2,063	1,940
Service sales	471	413
Net sales	2,534	2,353
Total segment profit	519	483
Home And Building Technologies [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Product sales	2,083	1,951
Service sales	350	318
Net sales	2,433	2,269
Total segment profit	416	377
Safety And Productivity Solutions [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Product sales	1,360	1,253
Service sales	88	71
Net sales	1,448	1,324
Total segment profit	$ 231	$ 194