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Derivatives Narrative (Details) bbl in Thousands, $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 USD ($) bbl | Jun. 27, 2016
5% Convertible Senior Notes due 2021 | Convertible Debt |  |
Credit Derivatives [Line Items] |  |
Debt instrument, interest rate |  | 5.00%
Options Collar | Over the Counter |  |
Credit Derivatives [Line Items] |  |
Derivative contracts, barrels | 52 |
Option Collars and Swap | Over the Counter |  |
Credit Derivatives [Line Items] |  |
Derivative contracts, barrels | 20 |
Interest Rate Swap |  |
Credit Derivatives [Line Items] |  |
Fixed interest rate | 1.10% |
Notional amount | $ | $ 200 |
Long | Energy Related Derivative | Over the Counter |  |
Credit Derivatives [Line Items] |  |
Derivative contracts, barrels | 1,050 |
Long | Refined Products Inventory | Over the Counter |  |
Credit Derivatives [Line Items] |  |
Derivative contracts, barrels | 66 |
Long | Commodity Contract | Over the Counter |  |
Credit Derivatives [Line Items] |  |
Derivative contracts, barrels | 305 |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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