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OTHER CONTINGENCIES AND COMMITMENTS (Gas Transmission and Storage Rate Case and Audit) (Details) - Disallowance of Plant Costs - USD ($) $ in Millions |  |  | 1 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 07, 2021 | Jun. 23, 2016 | Jun. 30, 2020 | Jul. 31, 2020 | Jun. 01, 2020
Loss Contingencies [Line Items] |  |  |  |  |
Gas transmission and storage capital disallowance |  | $ 696.0 |  |  |
Permanently disallowed capital |  | $ 120.0 |  |  |
Amount subject to audit |  |  | $ 576.0 |  |
Capital expenditures for future recovery |  |  |  |  | $ 512.0
2015 through 2022 |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Capital expenditures for future recovery |  |  |  | $ 512.0 |
Capital expenditures for future recovery, seeking recovery |  |  |  | $ 416.3 |
Capital expenditures for future recovery, pending authorization | $ 356.3 |  |  |  |
2015 through 2021 |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Capital expenditures for future recovery, pending authorization | $ 313.3 |  |  |  |
Capital expenditures for future recovery, pending authorization, amortization period | 60 months |  |  |  |
2022 |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Capital expenditures for future recovery, pending authorization | $ 43.0 |  |  |  |
Capital expenditures for future recovery, pending authorization, amortization period | 12 months |  |  |  |

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- Definition Loss Contingency, Capital Expenditures For Future Recovery + References No definition available. + Details
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- Definition Loss Contingency, Capital Expenditures For Future Recovery, Pending Authorization + References No definition available. + Details
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- Definition Loss Contingency, Capital Expenditures For Future Recovery, Pending Authorization, Amortization Period + References No definition available. + Details
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- Definition Loss Contingency, Capital Expenditures For Future Recovery, Seeking Recovery + References No definition available. + Details
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- Definition Loss Contingency, Permanently Disallowed Capital + References No definition available. + Details
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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 No definition available. + Details
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- Details
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- Details
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- Details
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