BENEFIT PLANS - Amounts Recognized in the Balance Sheet (Details) - USD ($) $ in Millions |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Retirement Benefits [Abstract] | ||
| Other liabilities | $ 48 | $ 67 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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