Consolidated Statements of Income - USD ($) $ in Thousands, shares in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
REVENUES:
Total revenues	[1]	$ 3,487,000	$ 3,475,000	$ 9,724,000	$ 9,282,000
OPERATING EXPENSES:
Fuel		166,000	209,000	439,000	539,000
Purchased power		1,155,000	1,109,000	3,173,000	2,786,000
Other operating expenses		967,000	1,111,000	2,698,000	2,827,000
Provision for depreciation		366,000	332,000	1,088,000	1,020,000
Deferral of regulatory assets, net		(140,000)	(86,000)	(253,000)	(252,000)
General taxes		307,000	295,000	881,000	851,000
Total operating expenses		2,821,000	2,970,000	8,026,000	7,771,000
OPERATING INCOME		666,000	505,000	1,698,000	1,511,000
OTHER INCOME (EXPENSE):
Debt redemption costs (Note 6)		0	1,000	(36,000)	(155,000)
Equity method investment earnings (Note 1)		43,000	57,000	134,000	134,000
Miscellaneous income, net		24,000	111,000	102,000	300,000
Pension and OPEB mark-to-market adjustment (Note 4)		0	0	59,000	0
Interest expense		(289,000)	(248,000)	(828,000)	(788,000)
Capitalized financing costs		26,000	23,000	69,000	59,000
Total other expense		(196,000)	(56,000)	(500,000)	(450,000)
INCOME BEFORE INCOME TAXES			449,000	1,198,000	1,061,000
INCOME TAXES		29,000	105,000	193,000	237,000
INCOME FROM CONTINUING OPERATIONS		441,000	344,000	1,005,000	824,000
Discontinued operations (Note 1)	[2]	(21,000)	0	(21,000)	0
NET INCOME		420,000	344,000	984,000	824,000
Income attributable to noncontrolling interest (continuing operations)		20,000	10,000	57,000	15,000
EARNINGS ATTRIBUTABLE TO FIRSTENERGY CORP.		400,000	334,000	927,000	809,000
AMOUNTS ATTRIBUTABLE TO FIRSTENERGY CORP.:
Earnings from continuing operations		421,000	334,000	948,000	809,000
Earnings from discontinued operations	[2]	(21,000)	0	(21,000)	0
EARNINGS ATTRIBUTABLE TO FIRSTENERGY CORP.		$ 400,000	$ 334,000	$ 927,000	$ 809,000
EARNINGS PER SHARE ATTRIBUTABLE TO FIRSTENERGY CORP. (Note 3):
Basic - continuing operations (in dollars per share)		$ 0.74	$ 0.58	$ 1.66	$ 1.42
Basic - discontinued operations (in dollars per share)		(0.04)	0	(0.04)	0
Basic (in dollars per share)		0.70	0.58	1.62	1.42
Diluted - continuing operations (in dollars per share)		0.73	0.58	1.65	1.41
Diluted - discontinued operations (in dollars per share)		(0.04)	0	(0.04)	0
Diluted (in dollars per share)		$ 0.69	$ 0.58	$ 1.61	$ 1.41
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING:
Basic (in shares)		573	571	573	571
Diluted (in shares)		574	572	574	572
Distribution services and retail generation
REVENUES:
Total revenues		$ 2,869,000	$ 2,767,000	$ 7,924,000	$ 7,334,000
Transmission
REVENUES:
Total revenues		508,000	502,000	1,486,000	1,393,000
Other
REVENUES:
Total revenues		$ 110,000	$ 206,000	$ 314,000	$ 555,000

[1] Includes excise and gross receipts tax collections of $114 million and $111 million during the three months ended September 30, 2023 and 2022, respectively, and $315 million and $305 million during the nine months ended September 30, 2023 and 2022, respectively.

[2] Consists of income taxes of $21 million during the three and nine months ended September 30, 2023.