Commitments and Contingencies Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended		6 Months Ended
	Jul. 31, 2023	Mar. 31, 2023	Jun. 30, 2023	Jun. 30, 2022
Loss Contingencies [Line Items]
Litigation proceeds for reimbursement of spent nuclear fuel storage costs			$ 17,933	$ 32,367
Indian Point | Subsequent Event [Member]
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded from Other Party	$ 59,000
Entergy Arkansas [Member]
Loss Contingencies [Line Items]
Litigation proceeds for reimbursement of spent nuclear fuel storage costs			$ 17,933	$ 0
Entergy Arkansas [Member] | ANO
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded from Other Party		$ 41,000
Damages awarded for previously recorded operation and maintenance		10,000
Damages awarded for previously recorded taxes other than income taxes		2,000
Damages awarded for previously capitalized nuclear fuel expense [Abstract]		8,000
Damages awarded for previously recorded materials and supplies [Abstract]		3,000
Damages awarded for previously recorded nuclear fuel expense		$ 18,000