INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Income Tax Contingency [Line Items]
Effective income tax rate reconciliation, percent	19.20%	16.60%	19.20%	15.50%
Income tax (benefit) arising from excess tax benefits	$ (1.0)	$ (2.7)	$ (14.5)	$ (12.6)
Provisional income tax expense					$ 1,600.0
Accumulated international earnings repatriated					16,500.0
Provisional net income tax benefit					217.0
Deferred tax assets related to federal net operating loss carryforwards	204.0		204.0
Deferred tax assets related to other tax credit carryforwards	46.0		46.0
Transition tax liability	1,200.0		$ 1,200.0		$ 1,300.0
Tax and Customs Administration, Netherlands
Income Tax Contingency [Line Items]
Statutory federal rate			25.00%		25.00%
Effective income tax rate at innovation box tax rate			7.00%	5.00%
Long-term U.S. transition tax liability [Member]
Income Tax Contingency [Line Items]
Transition tax liability	1,100.0		$ 1,100.0
Accrued Expenses and Other Current Liabilities
Income Tax Contingency [Line Items]
Transition tax liability	$ 93.0		$ 93.0