COMMITMENTS AND CONTINGENT LIABILITIES COMMITMENTS AND CONTINGENT LIABILITIES (Nova Patent Infringement Matter) (Details) CAD in Millions, $ in Millions		3 Months Ended					6 Months Ended
		Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)		Jun. 30, 2017 CAD	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)
Loss Contingencies [Line Items]
Other Receivables			$ 5,557				$ 5,557		$ 4,358
Other noncurrent obligations			5,745				5,745		$ 5,560
Nova patent infringement award [Member]
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded from Other Party			495		CAD 645
Gain (Loss) Related to Litigation Settlement			137	[1]			137
Other Receivables			501				501
Other noncurrent obligations			341				341
Nova patent infringement award [Member] | Performance Plastics [Member]
Loss Contingencies [Line Items]
Gain (Loss) Related to Litigation Settlement			160
Nova patent infringement award [Member] | Performance Plastics [Member] | Impact to Sundry income (expense) [Member]
Loss Contingencies [Line Items]
Gain (Loss) Related to Litigation Settlement	[2]		137	[1]		$ 0	$ 137	$ 0
Nova patent infringement award [Member] | Performance Plastics [Member] | Selling, General and Administrative Expenses [Member]
Loss Contingencies [Line Items]
Gain (Loss) Related to Litigation Settlement			$ 23
Subsequent Event [Member]
Loss Contingencies [Line Items]
Proceeds from Legal Settlements		$ 501

[1] Included in "Sundry income (expense) - net" in the consolidated statements of income. See Notes 9 and 10 for additional information.

[2] See Note 10 for additional information.