Public Utilities, Approved Rate Increase (Decrease), Percentage Threshold

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- Definition

Public Utilities, Approved Rate, Property, Plant and Equipment, Net Threshold

+ References

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- Definition

Public Utilities, Rate Matters, Approved Period

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- Definition

Public Utilities, Regulatory Proceeding, Duration

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- Definition

Public Utilities Requested Rate Change, Capital Investment Costs

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- Definition

Public Utilities, Requested Rate Change, Capital Investments

+ References

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- Definition

Amount of public utility's approved rate increase (decrease) by regulatory agency.

+ References

No definition available.

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- Definition

Percentage of public utility's approved rate increase (decrease) by regulatory agency.

+ References

No definition available.

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- Definition

Amount of public utility's requested rate increase (decrease) with regulatory agency.

+ References

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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.

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- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

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Utility Regulatory Assets and Liabilities and Regulatory Matters - Narrative (Details) - USD ($) $ in Millions													6 Months Ended		12 Months Ended
	Apr. 11, 2024	Dec. 21, 2023	Oct. 06, 2023	Sep. 21, 2023	Jul. 31, 2023	Mar. 06, 2023	Jan. 27, 2023	Jan. 01, 2023	Nov. 01, 2022	Sep. 15, 2022	Jul. 29, 2022	Jan. 28, 2022	Mar. 31, 2024	Mar. 31, 2023	Sep. 30, 2023
Regulatory Assets
Net unrealized gains (losses)													$ (54)	$ (1,713)
Gas Utility
Regulatory Assets
Net unrealized gains (losses)													$ (7)	$ (17)	$ (2)
Utilities \| PAPUC
Regulatory Assets
Requested rate increase (decrease)							$ 11					$ 83
Approved rate increase (decrease)				$ 9
Utilities \| PAPUC \| Joint Petition
Regulatory Assets
Requested rate increase (decrease)										$ 49
Property, plant and equipment, net threshold										3,368
Utilities \| PAPUC \| Beginning October 29, 2022
Regulatory Assets
Requested rate increase (decrease)										38
Utilities \| PAPUC \| Beginning October 1, 2023
Regulatory Assets
Requested rate increase (decrease)										$ 11
Utilities \| PAPUC \| Weather normalization adjustment rider
Regulatory Assets
Pilot program duration									5 years
Approved rate									3.00%
Mountaineer \| WVPSC \| Weather normalization adjustment rider
Regulatory Assets
Adjustment rider period		5 years
Mountaineer \| WVPSC \| Weather normalization adjustment rider \| Subsequent event
Regulatory Assets
Approved rate	2.00%
Weather deviates threshold	2.00%
Mountaineer \| WVPSC \| 2023 IREP Recovery
Regulatory Assets
Requested rate increase (decrease)					$ 10
Total capital investments					383
Mountaineer \| WVPSC \| 2023 IREP
Regulatory Assets
Costs associated with capital investments					131
Mountaineer \| WVPSC \| 2023 IREP For 2024
Regulatory Assets
Costs associated with capital investments					$ 67
Mountaineer \| WVPSC \| Net Revenue Increase
Regulatory Assets
Requested rate increase (decrease)			$ 14			$ 20
Mountaineer \| WVPSC \| Base Rates
Regulatory Assets
Requested rate increase (decrease)						38
Mountaineer \| WVPSC \| IREP rate
Regulatory Assets
Requested rate increase (decrease)						$ (18)
Mountaineer \| WVPSC \| Over 2023 - 2027
Regulatory Assets
Requested rate increase (decrease)											$ 354
Mountaineer \| WVPSC \| Calendar Year 2023
Regulatory Assets
Requested rate increase (decrease)											$ 64
Approved rate increase (decrease)								$ 22