XML 67 R54.htm IDEA: XBRL DOCUMENT v3.10.0.1
COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Debt Instrument [Line Items]      
Litigation reserves $ 5,000,000   $ 2,000,000
Self-insurance reserves 123,000,000   $ 118,000,000
Senior Unsecured Revolving Credit Facility [Member]      
Debt Instrument [Line Items]      
Credit facility capacity 750,000,000    
Secured Receivables Credit Facility [Member]      
Debt Instrument [Line Items]      
Letters of credit outstanding, amount 71,000,000    
Letter of Credit [Member] | Senior Unsecured Revolving Credit Facility [Member]      
Debt Instrument [Line Items]      
Credit facility capacity 150,000,000 $ 150,000,000  
Letter of Credit [Member] | Secured Receivables Credit Facility [Member]      
Debt Instrument [Line Items]      
Credit facility capacity $ 100,000,000