Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2025

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The table below provides information about the Company’s single business segment, including significant segment expenses, and includes reconciliation to Consolidated Net Income (dollars in millions):

	Three Months Ended March 31,
	2025		2024
Total revenues	$	928	$	929
Operating expenses:
Purchased power and fuel	368		405
Operating and maintenance expense:
Generation, transmission and distribution	110		99
Administrative and other	96		95
Total operating and maintenance expense	206		194
Depreciation and amortization	140		121
Taxes other than income taxes	46		47
Total operating expenses	760		767
Income from operations	168		162
Interest expense, net:
Interest expense	60		55
Allowance for borrowed funds used during construction	(4)		(4)
Total interest expense, net	56		51
Other income, net:	10		11
Income before income taxes	122		122
Income tax expense	22		13
Net income	$	100	$	109