Derivative Instruments - Effect on Income (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Carrying Amount of Hedged Assets/(Liabilities)	$ 34,900,000		$ 44,500,000
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Asset/(Liabilities)	5,900,000		4,900,000
Gain (loss) on derivative
Revenue	5,957,900,000	$ 8,015,200,000
Cost of revenue	5,766,300,000	7,756,400,000
Potential Collateral Requirements for Derivative Liabilities with Credit-Risk-Contingent Features
Net derivative liability positions with credit contingent features	5,200,000		20,000,000.0
Collateral posted and held by our counterparties	0		0
Maximum additional potential collateral requirements	5,200,000		$ 20,000,000.0
Revenue
Gain (loss) on derivative
Revenue	5,957,900,000	8,015,200,000
Gains (Losses) on fair value hedge relationships:
Total amount of income and expense line items excluding the impact of hedges, Revenue	5,969,600,000	8,001,100,000
Cost of Revenue
Gain (loss) on derivative
Cost of revenue	5,766,300,000	7,756,400,000
Gains (Losses) on fair value hedge relationships:
Total amount of income and expense line items excluding the impact of hedges, Cost of Revenue	5,791,000,000.0	7,750,500,000
Interest expense and other financing costs, net
Gain (loss) on derivative
Interest expense and other financing costs, net	11,100,000	16,200,000
Gains (Losses) on fair value hedge relationships:
Total amount of income and expense line items excluding the impact of hedges, Interest expense and other financing costs	10,800,000	16,200,000
Commodity contracts | Revenue
Gains (Losses) on fair value hedge relationships:
Hedged Item	0	0
Derivatives designated as hedging instruments	0	0
Amount of Gain (Loss) Reclassified from AOCI into Income	(11,700,000)	14,000,000.0
Commodity contracts | Cost of Revenue
Gains (Losses) on fair value hedge relationships:
Hedged Item	12,000,000.0	(23,200,000)
Derivatives designated as hedging instruments	(8,400,000)	18,500,000
Amount of Gain (Loss) Reclassified from AOCI into Income	21,000,000.0	(1,200,000)
Commodity contracts | Interest expense and other financing costs, net
Gains (Losses) on fair value hedge relationships:
Hedged Item	0	0
Derivatives designated as hedging instruments	0	0
Amount of Gain (Loss) Reclassified from AOCI into Income	0	0
Interest rate contracts | Revenue
Gains (Losses) on fair value hedge relationships:
Amount of Gain (Loss) Reclassified from AOCI into Income	0	0
Interest rate contracts | Cost of Revenue
Gains (Losses) on fair value hedge relationships:
Amount of Gain (Loss) Reclassified from AOCI into Income	0	0
Interest rate contracts | Interest expense and other financing costs, net
Gains (Losses) on fair value hedge relationships:
Amount of Gain (Loss) Reclassified from AOCI into Income	(200,000)	0
Derivatives designated as hedging instruments
Gains (Losses) on fair value hedge relationships:
Amount of Gain (Loss) Recognized in Accumulated Other Comprehensive Income	25,500,000	34,900,000
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	9,100,000	12,900,000
Derivatives designated as hedging instruments | Commodity contracts | Revenue
Gains (Losses) on fair value hedge relationships:
Amount of Gain (Loss) Recognized in Accumulated Other Comprehensive Income	(62,800,000)	334,100,000
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	(11,700,000)	14,000,000.0
Derivatives designated as hedging instruments | Commodity contracts | Cost of Revenue
Gains (Losses) on fair value hedge relationships:
Amount of Gain (Loss) Recognized in Accumulated Other Comprehensive Income	84,600,000	(297,700,000)
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	21,000,000.0	(1,200,000)
Derivatives designated as hedging instruments | Interest rate contracts | Interest expense and other financing costs, net
Gains (Losses) on fair value hedge relationships:
Amount of Gain (Loss) Recognized in Accumulated Other Comprehensive Income	3,600,000	(1,500,000)
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	(200,000)	0
Derivatives not designated as hedging instruments
Gains (Losses) on fair value hedge relationships:
Amount of Realized and Unrealized Gain (Loss)	12,900,000	113,500,000
Derivatives not designated as hedging instruments | Commodity contracts
Gains (Losses) on fair value hedge relationships:
Amount of Realized and Unrealized Gain (Loss)	9,200,000	94,500,000
Derivatives not designated as hedging instruments | Commodity contracts | Revenue
Gains (Losses) on fair value hedge relationships:
Amount of Realized and Unrealized Gain (Loss)	(303,800,000)	79,100,000
Derivatives not designated as hedging instruments | Commodity contracts | Cost of Revenue
Gains (Losses) on fair value hedge relationships:
Amount of Realized and Unrealized Gain (Loss)	313,000,000.0	15,400,000
Derivatives not designated as hedging instruments | Foreign currency contracts
Gains (Losses) on fair value hedge relationships:
Amount of Realized and Unrealized Gain (Loss)	3,700,000	18,900,000
Derivatives not designated as hedging instruments | Foreign currency contracts | Revenue
Gains (Losses) on fair value hedge relationships:
Amount of Realized and Unrealized Gain (Loss)	400,000	500,000
Derivatives not designated as hedging instruments | Foreign currency contracts | Interest expense and other financing costs, net
Gains (Losses) on fair value hedge relationships:
Amount of Realized and Unrealized Gain (Loss)	$ 3,300,000	$ 18,500,000