| **DEBT - Short-Term Debt (Details) - USD ($) $ in Millions** | 6 Months Ended | 12 Months Ended |
|--------------------------------------------------------------|----------------|-----------------|
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| **Debt Disclosure [Abstract]**                               |           |            |   |   |
| Short-term debt                                              | $ 3            | $ 103           | $ 78 |   |
| Commercial paper                                             |           | 100             | 75 |   |
| Interest paid                                                | $ 144          | $ 170           | $ 175 | $ 168 |

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| - Definition
Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.
+ References
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| - References
No definition available.
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| - Definition
Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.
+ References
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| - Definition
Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.
+ References
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