SEGMENT FINANCIAL DATA 2 (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) Segments	Sep. 30, 2016 USD ($)
Reconciliation of segment profit to consolidated [Abstract]
Total segment profit	$ 1,895	$ 1,720	$ 5,594	$ 5,287
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Interest and other financial charges	(81)	(82)	(235)	(252)
Repositioning and other charges	(230)	(302)	(583)	(567)
Income before taxes	1,783	1,632	$ 5,285	5,015
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)	49	169	$ 54	174
Interest and other financial charges	(81)	(82)	(235)	(252)
Stock compensation expense	(39)	(49)	(133)	(145)
Repositioning and other charges	(230)	(279)	(557)	(520)
Income before taxes	1,783	1,632	5,285	5,015
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)	183	146	546	447
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)	6	7	16	24
Corporate [Member]
Reconciliation of segment profit to consolidated [Abstract]
Total segment profit	(82)	(59)	(210)	(157)
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Repositioning and other charges	$ (94)	$ (89)	$ (246)	$ (191)

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Net total Increase or Decrease in the accrual for restructuring and other costs, including asbestos litigation charges - net of insurance and environmental remediation activities, during the reporting period.

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Interest and debt related expenses associated with nonoperating financing activities of the entity.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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