Debt (Schedule Of Maturities On Long-Term Indebtedness) (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Entity Information [Line Items]
2016	$ 0
2017	0
2018	445,000
2019	40,000
2020	90,000
Thereafter	2,108,800
Total	2,683,800
Indianapolis Power And Light Company
Entity Information [Line Items]
2016	0
2017	0
2018	40,000
2019	40,000
2020	90,000
Thereafter	1,633,800
Total	$ 1,803,800