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Fair Value Measurements - Commodity and Foreign Currency Contracts (Details) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Offsetting Assets [Line Items]    
Gross Amounts Recognized $ 990.5 $ 1,347.4
Gross Amounts Offset 626.4 777.7
Net Amounts Presented 364.1 569.7
Collateral 31.4 79.3
Gross Amounts without Right of Offset 0.0 0.0
Net Amounts 332.8 490.5
Offsetting Liabilities [Line Items]    
Gross Derivative Liabilities 933.9 1,490.8
Gross Amounts Offset 626.4 777.7
Net Amounts Presented 307.6 713.1
Collateral 109.6 243.1
Gross Amounts without Right of Offset 0.0 0.0
Net Amounts 198.0 470.0
Commodity Contract [Member]    
Offsetting Assets [Line Items]    
Gross Amounts Recognized 956.4 1,298.0
Gross Amounts Offset 615.2 756.8
Net Amounts Presented 341.2 541.1
Collateral 31.4 79.3
Gross Amounts without Right of Offset 0.0 0.0
Net Amounts 309.8 461.9
Offsetting Liabilities [Line Items]    
Gross Derivative Liabilities 920.1 1,452.1
Gross Amounts Offset 615.2 755.6
Net Amounts Presented 304.9 696.4
Collateral 109.6 243.1
Gross Amounts without Right of Offset 0.0 0.0
Net Amounts 195.3 453.3
Interest Rate Contract [Member]    
Offsetting Assets [Line Items]    
Gross Amounts Recognized 20.5 24.7
Gross Amounts Offset 0.0 0.0
Net Amounts Presented 20.5 24.7
Collateral 0.0 0.0
Gross Amounts without Right of Offset 0.0 0.0
Net Amounts 20.5 24.7
Foreign Exchange Contract [Member]    
Offsetting Assets [Line Items]    
Gross Amounts Recognized 13.7 24.7
Gross Amounts Offset 11.2 20.9
Net Amounts Presented 2.5 3.8
Collateral 0.0 0.0
Gross Amounts without Right of Offset 0.0 0.0
Net Amounts 2.5 3.8
Offsetting Liabilities [Line Items]    
Gross Derivative Liabilities 13.9 38.7
Gross Amounts Offset 11.2 22.1
Net Amounts Presented 2.7 16.7
Collateral 0.0 0.0
Gross Amounts without Right of Offset 0.0 0.0
Net Amounts $ 2.7 $ 16.7