| **SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) - USD ($) $ in Millions** | 3 Months Ended   |
|----------------------------------------------------------------------------------------------|------------------|
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| **Accounting Policies [Abstract]**                                                           |             |   |
| Contract term                                                                                | one year or less |   |
| Tax Cuts and Jobs Act of 2017, provisional income tax benefit                                |             | $ 81 |

| X                                                                                                                                                                                                                                                                                                                                                                |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit)
+ References
No definition available.
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| X                                                                                                                                                                                                    |
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| - References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Description of effect, from relationship that timing of satisfaction of performance obligation has on timing of payment, on right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time and on obligation to transfer good or service to customer for which consideration from customer has been received or is due.
+ References
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130550-203045
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