INCOME TAXES (Summary of Tax Carryforwards) (Details) $ in Millions	Dec. 31, 2021 USD ($)
Income Tax Contingency [Line Items]
Investment Tax Credits	$ 22
State
Income Tax Contingency [Line Items]
Operating Loss Carryforwards	1
Tax Credits	9
Federal
Income Tax Contingency [Line Items]
Other Federal Credits	$ 8

The noncurrent portion of the reserve for accumulated deferred investment tax credits as of the balance sheet date. This is the remaining investment credit, which will reduce the cost of services collected from ratepayers by a ratable portion over the investment's regulatory life.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax credit carryforwards, classified as other.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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