Derivative Instruments - Balance Sheet Location (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	$ 1,453.8	$ 773.6
Gross Derivative Liabilities	1,406.8	748.5
Commodity contracts
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	1,429.0	763.5
Gross Derivative Liabilities	1,395.0	743.9
Interest rate contracts
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	17.0	5.4
Gross Derivative Liabilities		0.3
Foreign currency contracts
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	7.7	4.7
Gross Derivative Liabilities	11.8	4.3
Derivatives designated as hedging instruments
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	31.1	7.3
Gross Derivative Liabilities	13.8	10.4
Derivatives designated as hedging instruments | Commodity contracts | Short-term derivative assets, net
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	13.6	1.8
Gross Derivative Liabilities	12.4	9.7
Derivatives designated as hedging instruments | Commodity contracts | Short-term derivative liabilities, net
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	0.4	0.1
Gross Derivative Liabilities	1.4	0.4
Derivatives designated as hedging instruments | Interest rate contracts | Short-term derivative assets, net
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	3.7	0.0
Gross Derivative Liabilities	0.0	0.0
Derivatives designated as hedging instruments | Interest rate contracts | Other non-current assets
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	13.3	5.4
Gross Derivative Liabilities	0.0	0.0
Derivatives designated as hedging instruments | Interest rate contracts | Short-term derivative liabilities, net
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	0.0	0.0
Gross Derivative Liabilities	0.0	0.3
Derivatives not designated as hedging instruments
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	1,422.7	766.3
Gross Derivative Liabilities	1,392.9	738.1
Derivatives not designated as hedging instruments | Commodity contracts | Short-term derivative assets, net
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	880.7	516.3
Gross Derivative Liabilities	542.6	337.5
Derivatives not designated as hedging instruments | Commodity contracts | Other non-current assets
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	270.8	112.2
Gross Derivative Liabilities	116.2	27.6
Derivatives not designated as hedging instruments | Commodity contracts | Short-term derivative liabilities, net
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	211.6	117.6
Gross Derivative Liabilities	529.8	286.6
Derivatives not designated as hedging instruments | Commodity contracts | Other long-term liabilities
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	51.8	15.5
Gross Derivative Liabilities	192.5	82.1
Derivatives not designated as hedging instruments | Foreign currency contracts | Short-term derivative assets, net
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	2.2	3.8
Gross Derivative Liabilities	0.6	1.7
Derivatives not designated as hedging instruments | Foreign currency contracts | Other non-current assets
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	0.2	0.1
Gross Derivative Liabilities	0.1	0.0
Derivatives not designated as hedging instruments | Foreign currency contracts | Short-term derivative liabilities, net
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet
Gross Derivative Assets	5.3	0.8
Gross Derivative Liabilities	$ 11.1	$ 2.6