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Fair Value Measurements - Commodity and Foreign Currency Contracts (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Offsetting Assets [Line Items]    
Gross Derivative Assets $ 840.7 $ 1,347.4
Gross Amounts Offset 418.0 777.7
Net Amounts Presented 422.7 569.7
Cash Collateral 45.2 79.3
Gross Amounts Without Right of Offset 0.0 0.0
Net Amounts 377.5 490.5
Liabilities:    
Gross Derivative Liabilities 697.8 1,490.8
Gross Amounts Offset 418.0 777.7
Net Amounts Presented 279.7 713.1
Cash Collateral 100.5 243.1
Gross Amounts Without Right of Offset 0.0 0.0
Net Amounts 179.2 470.0
Commodity contracts:    
Offsetting Assets [Line Items]    
Gross Derivative Assets 791.8 1,298.0
Gross Amounts Offset 399.0 756.8
Net Amounts Presented 392.8 541.1
Cash Collateral 45.2 79.3
Gross Amounts Without Right of Offset 0.0 0.0
Net Amounts 347.7 461.9
Liabilities:    
Gross Derivative Liabilities 669.1 1,452.1
Gross Amounts Offset 399.0 755.6
Net Amounts Presented 270.1 696.4
Cash Collateral 100.5 243.1
Gross Amounts Without Right of Offset 0.0 0.0
Net Amounts 169.7 453.3
Interest rate contract:    
Offsetting Assets [Line Items]    
Gross Derivative Assets 14.8 24.7
Gross Amounts Offset 0.0 0.0
Net Amounts Presented 14.8 24.7
Cash Collateral 0.0 0.0
Gross Amounts Without Right of Offset 0.0 0.0
Net Amounts 14.8 24.7
Liabilities:    
Gross Derivative Liabilities   0.0
Gross Amounts Offset   0.0
Net Amounts Presented   0.0
Cash Collateral   0.0
Gross Amounts Without Right of Offset   0.0
Net Amounts   0.0
Foreign currency exchange contracts:    
Offsetting Assets [Line Items]    
Gross Derivative Assets 34.1 24.7
Gross Amounts Offset 19.1 20.9
Net Amounts Presented 15.0 3.8
Cash Collateral 0.0 0.0
Gross Amounts Without Right of Offset 0.0 0.0
Net Amounts 15.0 3.8
Liabilities:    
Gross Derivative Liabilities 28.7 38.7
Gross Amounts Offset 19.1 22.1
Net Amounts Presented 9.6 16.7
Cash Collateral 0.0 0.0
Gross Amounts Without Right of Offset 0.0 0.0
Net Amounts $ 9.6 $ 16.7