EMPLOYEE BENEFITS PLANS (Pension and Other Postretirement Benefit Amounts included in Consolidated Balance Sheet ) (Details) - USD ($) $ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
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| Pension And Other Employee Benefit Plans [Line Items] | ||
| Regulatory Assets | $ 330 | $ 370 |
| Regulatory Liabilities | (489) | (489) |
| Pension Benefits | ||
| Pension And Other Employee Benefit Plans [Line Items] | ||
| Regulatory Assets | 107 | 90 |
| Regulatory Liabilities | 0 | 0 |
| Regulatory and Other Assets—Other | 0 | 8 |
| Accrued Employee Expenses | (1) | (1) |
| Pension and Other Postretirement Benefits | (28) | (20) |
| Accumulated Other Comprehensive Loss | 5 | 4 |
| Net Amount Recognized | 83 | 81 |
| Other Postretirement Benefits | ||
| Pension And Other Employee Benefit Plans [Line Items] | ||
| Regulatory Assets | 0 | 0 |
| Regulatory Liabilities | (4) | (8) |
| Regulatory and Other Assets—Other | 0 | 0 |
| Accrued Employee Expenses | (3) | (2) |
| Pension and Other Postretirement Benefits | (53) | (49) |
| Accumulated Other Comprehensive Loss | 0 | 0 |
| Net Amount Recognized | $ (60) | $ (59) |
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- Definition Net Total Amount On Balance Sheet No definition available.
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- Definition Pension And Other Employee Benefit Plans [Line Items] No definition available.
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- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension plan, classified as current. Excludes other postretirement benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension plan, classified as noncurrent. Excludes other postretirement benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of assets classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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