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EARNINGS PER SHARE OF COMMON STOCK - Narrative (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
4.00%, $1,500 Million Notes Maturity 2026 \| Promissory Notes \| FE
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Debt instrument, conversation price (in dollars per share)	$ 46.81
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of EPS (in shares)	0	0	0