SEGMENT FINANCIAL DATA 2 (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) Segments	Sep. 30, 2015 USD ($)
Reconciliation of segment profit to consolidated [Abstract]
Total segment profit	$ 1,720	$ 1,852	$ 5,287	$ 5,376
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Interest and other financial charges	(82)	(72)	(252)	(226)
Repositioning and other charges	(302)	(133)	(567)	(393)
Income before taxes	1,632	1,707	5,015	4,933
Segment Financial Data [Abstract]
Net sales	9,804	9,611	$ 29,317	28,599
Additional Information About Entity's Reportable Segments			In July 2016, the Company announced that it is realigning the business units comprising its Automation and Control Solutions reporting segment by forming two new reportable operating segments: Home and Building Technologies and Safety and Productivity Solutions. Home and Building Technologies includes Environmental & Energy Solutions, Security and Fire, and Building Solutions and Distribution. Additionally, the Industrial Combustion/Thermal business, previously part of Environmental & Energy Solutions in Automation and Control Solutions, became part of Performance Materials and Technologies. Safety and Productivity Solutions includes Sensing & Productivity Solutions and Industrial Safety, as well as the Intelligrated business. Under the realigned segment reporting structure, the Company has four reportable operating segments: Aerospace, Home and Building Technologies, Performance Materials and Technologies and Safety and Productivity Solutions. Effective with the quarter ended September 30, 2016 the Company has reported its financial performance based on this realignment.
Number Of Operating Segments \| Segments			4
Material Reconciling Items [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Other income (expense)	169	15	$ 174	39
Interest and other financial charges	(82)	(72)	(252)	(226)
Stock compensation expense	(49)	(41)	(145)	(132)
Repositioning and other charges	(279)	(133)	(520)	(393)
Income before taxes	1,632	1,707	5,015	4,933
Material Reconciling Items [Member] \| Pension Plans, Defined Benefit [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Benefit plans income/(expense)	146	96	447	299
Material Reconciling Items [Member] \| Other Postretirement Benefit Plans [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Benefit plans income/(expense)	7	(10)	24	(30)
Corporate [Member]
Reconciliation of segment profit to consolidated [Abstract]
Total segment profit	(59)	(56)	(157)	(156)
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Repositioning and other charges	$ (89)	$ (58)	$ (191)	$ (162)

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