RESTRUCTURING (Details) $ in Millions	3 Months Ended			12 Months Ended
	Mar. 31, 2017 USD ($) employees	Jun. 30, 2016 USD ($) employees	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($) employees	Dec. 31, 2015 USD ($) employees
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ (1)		$ (2)
2016 Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		$ 449
Restructuring Reserve [Roll Forward]
Restructuring Reserve	169			$ 228
Cash payments	59
2016 Restructuring [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated | employees		2,500
Severance Costs		$ 268
Restructuring Reserve [Roll Forward]
Restructuring Reserve	142			201
Cash payments	$ 59			$ 67
Entity Number of Employees | employees	1,080			1,700
2016 Restructuring [Member] | Impairment of Long-Lived Assets and Other Assets [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of Long-lived Assets, Other Investments and Other Assets		153
2016 Restructuring [Member] | Costs Associated with Exit and Disposal Activities [Member]
Restructuring Cost and Reserve [Line Items]
Business Exit Costs		28
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$ 27			$ 27
Cash payments	0
2016 Restructuring [Member] | Corporate Segment [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Severance Costs		$ 268
2015 Restructuring [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated | employees					2,250
Severance Costs					$ 235
Restructuring Reserve [Roll Forward]
Restructuring Reserve	19			45
Cash payments	$ 26			$ 190
Entity Number of Employees | employees	115			290
2015 Restructuring [Member] | Infrastructure Solutions [Member] | Impairment of Long-Lived Assets and Other Assets [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment			$ 2
2015 Restructuring [Member] | Agricultural Sciences [Member] | Costs Associated with Exit and Disposal Activities [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment	$ 1