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Forward delivery contracts and financial instruments (Tables) | 6 Months Ended
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Jun. 30, 2015
Forward Delivery Contracts and Financial Instruments [Abstract] |
Schedule of Forward Physical Delivery Agreements | Forward Physical Delivery Agreements Primary Aluminum Sales and Tolling Contracts
Contract | Customer | Volume | Term | Pricing
Glencore Grundartangi Metal Agreement (1) | Glencore | All primary aluminum produced at Grundartangi, net of tolling and other sales commitments | January 1, 2014 through December 31, 2017 | Variable, based on LME and European Duty Paid premium
Glencore U.S. Aluminum Sales Agreement | Glencore | Substantially all of the primary aluminum produced in North America | January 1, 2015 through December 31, 2016 | Variable, based on LME and Midwest premium and product premiums, as applicable
Glencore Toll Agreement | Glencore | 90,000 tonnes per year ("tpy") | Through July 2016 | Variable, based on LME and European Duty Paid premium
(1) | The Glencore Grundartangi Metal Agreement is for all metal produced at Grundartangi from 2014 through 2017, less commitments under existing tolling and other sales contracts. Grundartangi currently estimates that it will sell Glencore approximately 205,000 tonnes of aluminum under this agreement in 2015.
Apart from the Glencore Grundartangi Metal Agreement, the Glencore U.S. Aluminum Sales Agreement and the Southwire Metal Agreement (which expired at the end of 2014), we had the following forward delivery contractual commitments: Other forward delivery contracts
| June 30, 2015 | December 31, 2014
| (in tonnes)
Other forward delivery contracts – total | 3,033 |  | 6,108 |
Other forward delivery contracts – Glencore | — |  | 4,058 |

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- Definition Tabular disclosure of arrangements in which the entity has committed resources to supply goods or services to a customer. May include identification of the goods or services to be furnished, identity of the purchasing party, pricing, effects on pricing for failing to deliver the [minimum] quantities required to be furnished, cancellation rights, and termination provisions. + 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 25 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 25 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 17 -Article 9 + Details
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