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Fair Value Measurements - Commodity and Foreign Currency Contracts (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Offsetting Assets [Line Items]    
Derivative Asset, Subject to Master Netting Arrangement, before Offset $ 810.4 $ 840.7
Derivative Asset, Subject to Master Netting Arrangement, Liability Offset 419.3 418.0
Derivative Asset, Total 391.2 422.7
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset 61.0 45.2
Derivative Asset, Not Subject to Master Netting Arrangement Deduction 0.0 0.0
Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election 330.2 377.5
Offsetting Liabilities [Line Items]    
Gross Derivative Liabilities 694.4 697.8
Derivative Liability, Subject to Master Netting Arrangement, Asset Offset 419.3 418.0
Derivative Liability, Total 275.1 279.7
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset 83.9 100.5
Derivative Liability, Not Subject to Master Netting Arrangement Deduction 0.0 0.0
Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election 191.2 179.2
Commodity Contract [Member]    
Offsetting Assets [Line Items]    
Derivative Asset, Subject to Master Netting Arrangement, before Offset 781.9 791.8
Derivative Asset, Subject to Master Netting Arrangement, Liability Offset 408.2 399.0
Derivative Asset, Total 373.7 392.8
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset 61.0 45.2
Derivative Asset, Not Subject to Master Netting Arrangement Deduction 0.0 0.0
Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election 312.7 347.7
Offsetting Liabilities [Line Items]    
Gross Derivative Liabilities 679.3 669.1
Derivative Liability, Subject to Master Netting Arrangement, Asset Offset 408.2 399.0
Derivative Liability, Total 271.2 270.1
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset 83.9 100.5
Derivative Liability, Not Subject to Master Netting Arrangement Deduction 0.0 0.0
Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election 187.3 169.7
Interest Rate Contract [Member]    
Offsetting Assets [Line Items]    
Derivative Asset, Subject to Master Netting Arrangement, before Offset 13.4 14.8
Derivative Asset, Subject to Master Netting Arrangement, Liability Offset 0.0 0.0
Derivative Asset, Total 13.4 14.8
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset 0.0 0.0
Derivative Asset, Not Subject to Master Netting Arrangement Deduction 0.0 0.0
Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election 13.4 14.8
Offsetting Liabilities [Line Items]    
Gross Derivative Liabilities 0.0  
Derivative Liability, Subject to Master Netting Arrangement, Asset Offset 0.0  
Derivative Liability, Total 0.0  
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset 0.0  
Derivative Liability, Not Subject to Master Netting Arrangement Deduction 0.0  
Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election 0.0  
Foreign Exchange Contract [Member]    
Offsetting Assets [Line Items]    
Derivative Asset, Subject to Master Netting Arrangement, before Offset 15.1 34.1
Derivative Asset, Subject to Master Netting Arrangement, Liability Offset 11.1 19.1
Derivative Asset, Total 4.0 15.0
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset 0.0 0.0
Derivative Asset, Not Subject to Master Netting Arrangement Deduction 0.0 0.0
Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election 4.0 15.0
Offsetting Liabilities [Line Items]    
Gross Derivative Liabilities 15.0 28.7
Derivative Liability, Subject to Master Netting Arrangement, Asset Offset 11.1 19.1
Derivative Liability, Total 3.9 9.6
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset 0.0 0.0
Derivative Liability, Not Subject to Master Netting Arrangement Deduction 0.0 0.0
Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election $ 3.9 $ 9.6