Commitment and Contingencies (Tables)

12 Months Ended

Dec. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

Oil and Gas, Delivery Commitment

	Payments due in:
	Total		Less Than 1 Year		1 – 3 Years		3 – 5 Years		More Than 5 Years
	(In Millions)
Purchase obligations:
Coal, gas, purchased power and
related transportation	$	933.5	$	249.7	$	267.3	$	225.7	$	190.8
Other	$	409.1	$	355.0	$	32.8	$	20.2	$	1.1