| LEGAL PROCEEDINGS AND CONTINGENCIES (Narratives) (Details) $ in Millions | 1 Months Ended | ||||
|---|---|---|---|---|---|
| Nov. 07, 2019  USD ($) | May 25, 2017  USD ($) | Aug. 31, 2016  Defendants | Jun. 30, 2020  USD ($) | Dec. 31, 2019  USD ($) | |
| U.S. District Court for the Southern District of New York | |||||
| Loss Contingencies | |||||
| Settlement amount | $ 19 | $ 9 | |||
| Penalties related to settlement | $ 79 | $ 238 | |||
| Loss Contingency Accrual | $ 100 | $ 100 | |||
| Estimated losses | $ 247 | ||||
| CNMC | |||||
| Loss Contingencies | |||||
| Number of defendants | Defendants | 10 | 
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- Definition Amount awarded to other party in judgment or settlement of litigation. No definition available. 
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- Definition Interest expense (income) directly attributable to an award in settlement of litigation. No definition available. 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Amount of loss contingency liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Number of defendants named in a legal action. No definition available. 
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- Details 
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- Details 
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