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Derivatives - Balance Sheet Location (Details) - USD ($) $ in Millions | Mar. 31, 2016 | Dec. 31, 2015
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Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |  |
Derivative asset | [1] | $ 427.8 | $ 522.9
Derivative liability | [1] | 410.9 | 468.7
Derivatives designated as hedging instruments |  |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |  |
Derivative asset | [1] | 85.2 | 127.7
Derivative liability | [1] | 76.1 | 98.2
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 asset | [1] | 84.2 | 114.0
Derivative liability | [1] | 74.7 | 95.3
Derivatives 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 asset | [1] |  | 7.4
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 asset | [1] | 0.9 | 6.3
Derivative liability | [1] | 1.4 | 2.9
Derivatives not designated as hedging instruments |  |  |
Information about derivative instruments measured at fair value and their locations on the consolidated balance sheet |  |  |
Derivative asset | [1] | 342.7 | 395.2
Derivative liability | [1] | 334.8 | 370.5
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 asset | [1] | 167.6 | 241.4
Derivative liability | [1] | 31.5 | 26.6
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 asset | [1] | 16.8 | 17.0
Derivative liability | [1] | 4.2 | 4.8
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 asset | [1] | 136.2 | 120.4
Derivative liability | [1] | 268.2 | 319.9
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 asset | [1] | 12.0 | 4.0
Derivative liability | [1] | 18.5 | 14.2
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 asset | [1] | 4.5 | 10.9
Derivative liability | [1] | 3.4 | 3.3
Derivatives not designated as hedging instruments | Foreign currency 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 asset | [1] | 0.4 | 0.7
Derivative liability | [1] | 0.1 |
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 asset | [1] | 4.9 | 0.8
Derivative liability | [1] | 8.8 | $ 1.7
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 asset | [1] | 0.2 |
Derivative liability | [1] | $ 0.1 |
[1] | Amounts may not add due to rounding

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- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and elected not to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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