| **OTHER CONTINGENCIES AND GUARANTEES (Details) - USD ($) $ in Millions**                      | 6 Months Ended |        |
|-----------------------------------------------------------------------------------------------|----------------|--------|
||
| **Loss Contingencies [Line Items]**                                                           |           |   |
| Liability for aggregate future remediation costs                                              | $ 28           | $ 28   |
| Letters of credit                                                                             | 17             |   |
| Letters of credit, amount outstanding                                                         | 0              |   |
| Alameda County, California Matter                                                             |           |   |
| **Loss Contingencies [Line Items]**                                                           |           |   |
| Liability for aggregate future remediation costs                                              | $ 12           | 12     |
| Remediation period (in years)                                                                 | 30 years       |   |
| Maximum undiscounted costs                                                                    | $ 28           |   |
| Dickinson County, Michigan Matter                                                             |           |   |
| **Loss Contingencies [Line Items]**                                                           |           |   |
| Liability for aggregate future remediation costs                                              | $ 10           | $ 10   |
| Remediation period (in years)                                                                 | 30 years       |   |
| Percentage of liability for aggregate remediation and associated costs, other than legal fees | 24.30%         |   |

| X                                                                                                                                                                                                                                                                                                                                                                                              |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Borrowing capacity under the letter of credit without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Maximum potential amount of future payments (undiscounted) that the Company could incur over an estimated remediation period.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                      |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Estimated time frame of disbursements over which remediation efforts are estimated to occur for an individual site.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                          |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The percentage of costs that the entity has agreed to under cost-sharing arrangements with other potentially responsible parties for an individual site.
+ References
No definition available.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Total costs accrued as of the balance sheet date for environmental loss contingencies.
+ References
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| X                                                                                                                                                                                                                                                                                                                                        |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.
+ References
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.
+ References
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