Fair Value Measurements - Commodity and Foreign Currency Contracts (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Offsetting Assets [Line Items]
Gross Amounts Recognized	$ 1,453.8	$ 773.6
Gross Amounts Offset	943.3	515.6
Net Amounts Presented	510.5	258.0
Cash Collateral	70.1	7.6
Gross Amounts without Right of Offset	0.0	0.0
Net Amounts	440.5	250.4
Offsetting Liabilities [Line Items]
Gross Derivative Liabilities	1,406.8	748.5
Gross Amounts Offset	943.3	515.6
Net Amounts Presented	463.5	232.8
Cash Collateral	7.4	3.2
Gross Amounts without Right of Offset	0.0	0.0
Net Amounts	456.1	229.7
Commodity contracts
Offsetting Assets [Line Items]
Gross Amounts Recognized	1,429.0	763.5
Gross Amounts Offset	937.2	513.1
Net Amounts Presented	491.8	250.4
Cash Collateral	70.1	7.6
Gross Amounts without Right of Offset	0.0	0.0
Net Amounts	421.7	242.8
Offsetting Liabilities [Line Items]
Gross Derivative Liabilities	1,395.0	743.9
Gross Amounts Offset	937.2	513.1
Net Amounts Presented	457.8	230.8
Cash Collateral	7.4	3.2
Gross Amounts without Right of Offset	0.0	0.0
Net Amounts	450.3	227.7
Interest rate contracts
Offsetting Assets [Line Items]
Gross Amounts Recognized	17.0	5.4
Gross Amounts Offset	0.0	0.0
Net Amounts Presented	17.0	5.4
Cash Collateral	0.0	0.0
Gross Amounts without Right of Offset	0.0	0.0
Net Amounts	17.0	5.4
Offsetting Liabilities [Line Items]
Gross Derivative Liabilities		0.3
Gross Amounts Offset		0.0
Net Amounts Presented		0.3
Cash Collateral		0.0
Gross Amounts without Right of Offset		0.0
Net Amounts		0.3
Foreign currency contracts
Offsetting Assets [Line Items]
Gross Amounts Recognized	7.7	4.7
Gross Amounts Offset	6.0	2.6
Net Amounts Presented	1.7	2.1
Cash Collateral	0.0	0.0
Gross Amounts without Right of Offset	0.0	0.0
Net Amounts	1.7	2.1
Offsetting Liabilities [Line Items]
Gross Derivative Liabilities	11.8	4.3
Gross Amounts Offset	6.0	2.6
Net Amounts Presented	5.8	1.7
Cash Collateral	0.0	0.0
Gross Amounts without Right of Offset	0.0	0.0
Net Amounts	$ 5.8	$ 1.7