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Derivative Instruments - Effect on Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |  |  |  |
Carrying Amount of Hedged Assets/(Liabilities) | $ 31.2 |  | $ 31.2 |  | $ 30.7
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Asset/(Liabilities) | 0.7 |  | 0.7 |  | 2.3
Gain (loss) on derivative |  |  |  |  |
Revenue | 4,482.7 | $ 9,322.7 | 15,656.2 | $ 27,460.9 |
Cost of revenue | 4,268.7 | 9,017.0 | 14,969.6 | 26,635.6 |
Potential Collateral Requirements for Derivative Liabilities with Credit-Risk-Contingent Features |  |  |  |  |
Net derivative liability positions with credit contingent features | 40.6 |  | 40.6 |  | 45.6
Collateral posted and held by our counterparties | 0.0 |  | 0.0 |  | 0.0
Maximum additional potential collateral requirements | 40.6 |  | 40.6 |  | $ 45.6
Revenue |  |  |  |  |
Gain (loss) on derivative |  |  |  |  |
Revenue | 4,482.7 | 9,322.7 | 15,656.2 | 27,460.9 |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Total amount of income and expense line items excluding the impact of hedges, Revenue | 4,485.5 | 9,322.9 | 15,618.0 | 27,467.4 |
Cost of Revenue |  |  |  |  |
Gain (loss) on derivative |  |  |  |  |
Cost of revenue | 4,268.7 | 9,017.0 | 14,969.6 | 26,635.6 |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Total amount of income and expense line items excluding the impact of hedges, Cost of Revenue | 4,204.1 | 9,031.5 | 14,847.2 | 26,668.7 |
Interest expense and other financing costs, net |  |  |  |  |
Gain (loss) on derivative |  |  |  |  |
Interest expense and other financing costs, net | 9.4 | 21.2 | 36.3 | 63.3 |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Total amount of income and expense line items excluding the impact of hedges, Interest expense and other financing costs | 9.2 | 21.2 | 36.1 | 63.3 |
Commodity contracts | Revenue |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Hedged Item | 0.0 | 0.0 | 0.0 | 0.0 |
Derivatives designated as hedging instruments | 0.0 | 0.0 | 0.0 | 0.0 |
Amount of Gain (Loss) Reclassified from AOCI into Income | (2.8) | (0.2) | 38.2 | (6.5) |
Commodity contracts | Cost of Revenue |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Hedged Item | (1.2) | (0.5) | (15.4) | 14.8 |
Derivatives designated as hedging instruments | 1.5 | 1.3 | 15.3 | (12.8) |
Amount of Gain (Loss) Reclassified from AOCI into Income | (65.0) | 13.7 | (122.3) | 31.1 |
Commodity contracts | Interest expense and other financing costs, net |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Hedged Item | 0.0 | 0.0 | 0.0 | 0.0 |
Derivatives designated as hedging instruments | 0.0 | 0.0 | 0.0 | 0.0 |
Amount of Gain (Loss) Reclassified from AOCI into Income | 0.0 | 0.0 | 0.0 | 0.0 |
Interest rate contracts | Revenue |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Gain (Loss) Reclassified from AOCI into Income | 0.0 | 0.0 | 0.0 | 0.0 |
Interest rate contracts | Cost of Revenue |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Gain (Loss) Reclassified from AOCI into Income | 0.0 | 0.0 | 0.0 | 0.0 |
Interest rate contracts | Interest expense and other financing costs, net |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Gain (Loss) Reclassified from AOCI into Income | (0.2) | 0.0 | (0.2) | 0.0 |
Derivatives designated as hedging instruments |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Gain (Loss) Recognized in Accumulated Other Comprehensive Income | (61.9) | 21.7 | (77.4) | 17.7 |
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income | (68.1) | 13.5 | (84.4) | 24.6 |
Derivatives designated as hedging instruments | Commodity contracts | Revenue |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Gain (Loss) Recognized in Accumulated Other Comprehensive Income | (22.0) | 41.6 | 163.6 | (136.1) |
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income | (2.8) | (0.2) | 38.2 | (6.5) |
Derivatives designated as hedging instruments | Commodity contracts | Cost of Revenue |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Gain (Loss) Recognized in Accumulated Other Comprehensive Income | (39.8) | (19.8) | (237.2) | 153.9 |
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income | (65.0) | 13.7 | (122.3) | 31.1 |
Derivatives designated as hedging instruments | Interest rate contracts | Interest expense and other financing costs, net |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Gain (Loss) Recognized in Accumulated Other Comprehensive Income | (0.1) | 0.0 | (3.8) | 0.0 |
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income | (0.2) | 0.0 | (0.2) | 0.0 |
Derivatives not designated as hedging instruments |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Realized and Unrealized Gain (Loss) | 3.2 | 24.2 | 116.8 | 44.8 |
Derivatives not designated as hedging instruments | Commodity contracts |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Realized and Unrealized Gain (Loss) | 16.7 | 14.3 | 119.6 | 35.8 |
Derivatives not designated as hedging instruments | Commodity contracts | Revenue |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Realized and Unrealized Gain (Loss) | 44.3 | 39.7 | 157.6 | 184.2 |
Derivatives not designated as hedging instruments | Commodity contracts | Cost of Revenue |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Realized and Unrealized Gain (Loss) | (27.7) | (25.4) | (38.0) | (148.3) |
Derivatives not designated as hedging instruments | Foreign currency contracts |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Realized and Unrealized Gain (Loss) | (13.4) | 9.9 | (2.8) | 9.0 |
Derivatives not designated as hedging instruments | Foreign currency contracts | Revenue |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Realized and Unrealized Gain (Loss) | (1.7) | 0.9 | (1.8) | 0.8 |
Derivatives not designated as hedging instruments | Foreign currency contracts | Interest expense and other financing costs, net |  |  |  |  |
Gains or Loss on fair value hedge relationships: |  |  |  |  |
Amount of Realized and Unrealized Gain (Loss) | $ (11.7) | $ 9.0 | $ (1.0) | $ 8.2 |

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- Definition The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624258-113959 + Details
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