Variable Interest Entities- World Energy (Details) $ in Millions	1 Months Ended
	Nov. 30, 2023 renewal	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Variable Interest Entity [Line Items]
Financing receivables		$ 1,220.2	$ 817.2
World Energy, LLC | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Term of project agreement	15 years
Number of renewal terms of project agreement | renewal	2
Project agreement, renewal term	5 years
Maximum loss exposure, amount		2,000.0
World Energy, LLC | Variable Interest Entity, Not Primary Beneficiary | Financing Receivable
Variable Interest Entity [Line Items]
Maximum loss exposure, amount		300.0
World Energy, LLC | Variable Interest Entity, Not Primary Beneficiary | Sustainable Aviation Fuel Facility
Variable Interest Entity [Line Items]
Maximum loss exposure, amount		1,500.0
World Energy, LLC | Variable Interest Entity, Not Primary Beneficiary | Property, plant and equipment | Sustainable Aviation Fuel Facility
Variable Interest Entity [Line Items]
Maximum loss exposure, amount		1,200.0
World Energy, LLC | Variable Interest Entity, Not Primary Beneficiary | Other noncurrent assets | Sustainable Aviation Fuel Facility
Variable Interest Entity [Line Items]
Maximum loss exposure, amount		330.0
World Energy, LLC | Variable Interest Entity, Not Primary Beneficiary | Purchase Commitment
Variable Interest Entity [Line Items]
Maximum loss exposure, amount		$ 215.0