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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Millions
Jun. 30, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Litigation reserves $ 2 $ 5
Self-insurance reserves 119 $ 117
Secured Receivables Credit Facility [Member]    
Debt Instrument [Line Items]    
Letters of credit outstanding, amount 71  
Letter of Credit [Member] | Secured Receivables Credit Facility [Member]    
Debt Instrument [Line Items]    
Credit facility capacity 100  
Letter of Credit [Member] | Senior Unsecured Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Credit facility capacity $ 150