| **SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Additional Information) (Details) $ in Millions**               | 12 Months Ended  |        |
|---------------------------------------------------------------------------------------------------------------|------------------|--------|
||
| **New Accounting Pronouncements or Change in Accounting Principle [Line Items]**                              |             |   |   |   |
| Restricted cash and cash equivalents                                                                          | $ 3              | $ 5    | $ 8 | $ 2 |
| Hosting arrangement term (in years)                                                                           | 6 years          |   |   |   |
| Performance period for performance awards (in years)                                                          | 3 years          |   |   |   |
| Minimum percentage for calculating the amortization of actuarial gains and losses under the corridor approach | 5.00%            |   |   |   |
| Contract term (in years)                                                                                      | one year or less |   |   |   |
| Allowance for doubtful accounts                                                                               | $ 9              | 8      |   |   |
| Nontrade receivables, current                                                                                 | 22               | 22     |   |   |
| Allowance for credit loss                                                                                     | $ 0              | $ 14   |   |   |
| Number of hedging instruments designated as fair value hedges | instrument                                    | 0                | 0      | 0 |   |
| Minimum                                                                                                       |             |   |   |   |
| **New Accounting Pronouncements or Change in Accounting Principle [Line Items]**                              |             |   |   |   |
| Estimated useful life (in years)                                                                              | 7 years          |   |   |   |
| Maximum                                                                                                       |             |   |   |   |
| **New Accounting Pronouncements or Change in Accounting Principle [Line Items]**                              |             |   |   |   |
| Estimated useful life (in years)                                                                              | 30 years         |   |   |   |

| X                                                                                                                                                                                                                                                                  |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Hosting Arrangement, Service Contract, Term
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| - Definition
Represents the minimum percentage of the greater of the projected benefit obligation or the market-related asset value that actuarial gains and losses must exceed in order to be amortized to pension expense under the corridor approach for purposes of determining the amortization of actuarial gains and losses related to the entity's employee benefits.
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The number of hedging instruments designated as fair value hedges held by the entity.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                            |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Period over which performance is measured for performance-based awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of allowance for credit loss on accounts receivable, classified as current.
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| - Definition
Amount of allowance for credit loss on financing receivable, classified as current.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - 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.
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| - Definition
Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
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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.
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| - Definition
The sum of amounts currently receivable other than from customers. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
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