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COMMITMENTS AND CONTINGENCIES (Details) - USD ($) | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Debt Instrument [Line Items] |  |
Self-insurance reserves | $ 136,000,000 | $ 132,000,000
Secured Receivables Credit Facility |  |
Debt Instrument [Line Items] |  |
Letters of credit outstanding, amount | 71,000,000 |
Secured Receivables Credit Facility | Letter of Credit |  |
Debt Instrument [Line Items] |  |
Credit facility capacity | 100,000,000 |
Revolving Credit Facility | Letter of Credit |  |
Debt Instrument [Line Items] |  |
Credit facility capacity | 150,000,000 |
Excludes general and professional liability claims |  |
Loss Contingencies [Line Items] |  |
Litigation reserves | $ 2,000,000 | $ 1,000,000

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