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Derivatives and Fair Value Measurements - Gains and Losses on Hedging Derivatives (Details) - Designated as Hedging Instrument - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | $ 10.0 | $ (154.3) | $ 73.0 | $ (510.9) |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | (19.3) | (122.9) | (55.5) | (192.6) |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 29.3 | (31.4) | 128.5 | (318.3) |
Variation margin (received) posted | 0.0 |  | 0.0 |  | $ 209.7
Foreign currency option contracts |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | (0.1) | (7.5) | (5.2) | (5.2) |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | (2.9) | (1.2) | (5.8) | (2.2) |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 2.8 | (6.3) | 0.6 | (3.0) |
Derivative contracts related to forecasted sales |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | 10.0 | (147.1) | 78.1 | (516.1) |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | (30.3) | (122.6) | (80.9) | (190.6) |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 40.3 | (24.5) | 159.0 | (325.5) |
Financial trading contracts |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | 0.1 | 0.3 | 0.1 | 10.4 |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | 13.9 | 0.9 | 31.2 | 0.2 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | $ (13.8) | $ (0.6) | $ (31.1) | $ 10.2 |

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E + Details
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