Commitments and Contingencies - Guarantees (Details) $ in Millions	Mar. 31, 2026 USD ($) agreement
Commitments and Contingencies
Amount	$ 6,244.0
Number of Agreements \| agreement	208
Guarantees and commitments
Commitments and Contingencies
Amount	$ 5,494.0
Number of Agreements \| agreement	100
Guarantees and commitments \| Minimum
Commitments and Contingencies
Maximum exposure range for each agreement	$ 0.0
Guarantees and commitments \| Maximum
Commitments and Contingencies
Maximum exposure range for each agreement	436.9
Letters of credit under bilateral credit facilities
Commitments and Contingencies
Amount	$ 6.0
Number of Agreements \| agreement	5
Letters of credit under bilateral credit facilities \| Minimum
Commitments and Contingencies
Maximum exposure range for each agreement	$ 0.1
Letters of credit under bilateral credit facilities \| Maximum
Commitments and Contingencies
Maximum exposure range for each agreement	3.0
Letters of credit under Revolver
Commitments and Contingencies
Amount	$ 163.0
Number of Agreements \| agreement	41
Letters of credit under Revolver \| Minimum
Commitments and Contingencies
Maximum exposure range for each agreement	$ 0.0
Letters of credit under Revolver \| Maximum
Commitments and Contingencies
Maximum exposure range for each agreement	22.5
Surety bonds
Commitments and Contingencies
Amount	$ 581.0
Number of Agreements \| agreement	62
Surety bonds \| Minimum
Commitments and Contingencies
Maximum exposure range for each agreement	$ 0.0
Surety bonds \| Maximum
Commitments and Contingencies
Maximum exposure range for each agreement	$ 79.2