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Derivatives - Balance Sheet Location (Details) - USD ($) $ in Millions | Mar. 31, 2018 | Dec. 31, 2017
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Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |
Derivative assets | $ 315.5 | $ 312.0
Derivative liabilities | 320.1 | 332.5
Derivatives designated as hedging instruments |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |
Derivative assets | 13.4 | 2.7
Derivative liabilities | 34.8 | 43.6
Derivatives designated as hedging instruments | Commodity contracts |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |
Derivative assets | 11.5 | 2.7
Derivative liabilities | 29.1 | 43.6
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 |  |
Derivative assets | 0.0 | 0.4
Derivative liabilities | 0.0 | 0.5
Derivatives designated as hedging instruments | Commodity contracts | Accrued expenses and other current liabilities |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |
Derivative assets | 11.5 | 2.3
Derivative liabilities | 29.1 | 43.1
Derivatives designated as hedging instruments | Foreign currency contracts |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |
Derivative assets | 1.9 | 0.0
Derivative liabilities | 5.7 | 0.0
Derivatives 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 |  |
Derivative assets | 0.0 | 0.0
Derivative liabilities | 0.1 | 0.0
Derivatives designated as hedging instruments | Foreign currency contracts | Accrued expenses and other current liabilities |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |
Derivative assets | 1.9 | 0.0
Derivative liabilities | 5.6 | 0.0
Derivatives not designated as hedging instruments |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |
Derivative assets | 302.1 | 309.4
Derivative liabilities | 285.3 | 288.9
Derivatives not designated as hedging instruments | Commodity contracts |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |
Derivative assets | 296.5 | 300.9
Derivative liabilities | 277.9 | 280.2
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 |  |
Derivative assets | 60.1 | 191.4
Derivative liabilities | 8.2 | 123.3
Derivatives not designated as hedging instruments | Commodity contracts | Identifiable intangible and other non-current assets |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |
Derivative assets | 31.9 | 18.2
Derivative liabilities | 15.3 | 5.2
Derivatives not designated as hedging instruments | Commodity contracts | Accrued expenses and other current liabilities |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |
Derivative assets | 192.1 | 86.1
Derivative liabilities | 231.2 | 138.2
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 |  |
Derivative assets | 12.4 | 5.2
Derivative liabilities | 23.1 | 13.5
Derivatives not designated as hedging instruments | Foreign currency contracts |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |
Derivative assets | 5.6 | 8.5
Derivative liabilities | 7.4 | 8.7
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 |  |
Derivative assets | 1.9 | 4.5
Derivative liabilities | 0.6 | 2.8
Derivatives not designated as hedging instruments | Foreign currency contracts | Accrued expenses and other current liabilities |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |
Derivative assets | 3.7 | 3.9
Derivative liabilities | 6.7 | 5.7
Derivatives not designated as hedging instruments | Foreign currency contracts | Other long-term liabilities |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |
Derivative assets | 0.0 | 0.0
Derivative liabilities | $ 0.1 | $ 0.2

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