Annual report pursuant to Section 13 and 15(d)

INCOME TAXES (Narrative) (Details)

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INCOME TAXES (Narrative) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Contingency [Line Items]        
Unrecognized Tax Benefits $ 33.5 $ 30.7 $ 156.2 $ 72.6
Undistributed Earnings of Foreign Subsidiaries 0.0 0.0    
Deferred Tax Assets, Operating Loss Carryforwards, State and Local 4,200.0 3,700.0    
Deferred Tax Assets, Operating Loss Carryforwards, Foreign 7,200.0 6,900.0    
Deferred Tax Assets, Tax Credit Carryforwards, Foreign 5.8      
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax 0.0 251.2    
Valuation Allowance, Deferred Tax Asset, Change in Amount 1,100.0      
Impact Of Tax Law Change $ 407.5 $ 149.1 $ 0.0  
Effective Income Tax Rate, Continuing Operations 35.00% 35.00% 35.00%  
Current Fiscal Year End Date --12-31      
Deferred Tax Liabilities, Intercompany Notes $ (465.7) $ 0.0    
Tax law change, remeasurement, amount (407.5) (149.1) $ 0.0  
Repeal of AMT, amount (235.3) 0.0 $ 0.0  
Other Noncurrent Assets [Member]        
Income Tax Contingency [Line Items]        
Unrecognized Tax Benefits 27.4 22.4    
Other Liabilities [Member]        
Income Tax Contingency [Line Items]        
Unrecognized Tax Benefits 6.1 8.3    
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued $ 2.1 $ 0.8