Investment in Unconsolidated Affiliate (Details) - USD ($) $ / shares in Units, $ in Millions		11 Months Ended	12 Months Ended
	Dec. 02, 2021	Dec. 02, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2023
Schedule of Equity Method Investments [Line Items]
Distributions received				$ 34.0	$ 73.4
Equity in earnings (losses) of unconsolidated affiliates		$ 169.8	$ 0.0	0.0	169.8
Share Price						$ 35.91
Gain (Loss) on Disposition of Assets			$ 0.0	$ 0.0	$ 344.4
Proceeds from Sales of Assets, Investing Activities	$ 35.0
Fees paid from disposition of assets	8.6
OGE Energy [Member]
Schedule of Equity Method Investments [Line Items]
Gain (Loss) on Disposition of Assets	344.4
CenterPoint [Member]
Schedule of Equity Method Investments [Line Items]
Proceeds from Sales of Assets, Investing Activities	30.0
Energy Transfer
Schedule of Equity Method Investments [Line Items]
Proceeds from Sales of Assets, Investing Activities	$ 5.0