REGULATORY MATTERS - Maryland (Details) - Maryland - PE $ in Millions						6 Months Ended
	Aug. 15, 2024 USD ($)	Jul. 01, 2024 USD ($)	Mar. 21, 2024	Dec. 29, 2023 USD ($)	Aug. 01, 2023 USD ($) scenario	Jun. 30, 2026
Per Year 2022 Through 2024
Regulatory Matters [Line Items]
Incremental energy savings goal thereafter (percent)			2.00%
Per Year 2025
Regulatory Matters [Line Items]
Incremental energy savings goal thereafter (percent)			2.25%
Per Year 2027
Regulatory Matters [Line Items]
Incremental energy savings goal thereafter (percent)			2.50%
Per Year 2027-2029 Program Cycle
Regulatory Matters [Line Items]
Incremental energy savings goal thereafter (percent)			2.50%			1.75%
Per Year 2030-2032 Program Cycle
Regulatory Matters [Line Items]
Incremental energy savings goal thereafter (percent)						2.00%
Per Year 2033-2035 Program Cycle
Regulatory Matters [Line Items]
Incremental energy savings goal thereafter (percent)						2.25%
2024-2026 EmPOWER Program Cycle
Regulatory Matters [Line Items]
Number of scenarios with projected costs submitted for cost recovery program \| scenario					3
Recovery period for expenditures for cost recovery program					3 years
Public utilities, requested year one					$ 311
Public utilities, requested year two					354
Public utilities, requested year three					$ 510
Approved amount of annual increase				$ 311
Public utilities, GHG reduction targets	$ 314
Amortization period						5 years
Public utilities, requested cost percentage, year two					1
2024-2030 EmPOWER Program Cycle \| Minimum
Regulatory Matters [Line Items]
Expected reduction to pre-tax return on programs		$ 25
2024-2030 EmPOWER Program Cycle \| Maximum
Regulatory Matters [Line Items]
Expected reduction to pre-tax return on programs		$ 30