RETIREMENT PLANS Narrative (Details) $ in Millions	3 Months Ended			6 Months Ended
	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Age to participate in the pension plan				21
Years of eligibility to participate in pension plan				1
Defined Benefit Plan, Settlements, Plan Assets			$ 1,200
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate			3.80%		3.80%	4.40%
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements			$ 439		$ 439
Defined Benefit Plan, Contributions by Employer	$ 1,250
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements		$ 0	(439)	$ 0	$ (439)
Defined Benefit Plan, Contributions by Employer			$ 250
Non Qualified
Defined Benefit Plan Disclosure [Line Items]
Benefits paid				$ 10