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Forward delivery contracts and financial instruments (Tables) | 3 Months Ended
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Mar. 31, 2014
Forward Delivery Contracts and Financial Instruments [Abstract] |
Schedule of Forward Physical Delivery Agreements | Forward Physical Delivery Agreements Primary Aluminum Sales 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
Southwire Metal Agreement (2) | Southwire | 216 million pounds per year (high conductivity molten aluminum) | January 1, 2014 through December 31, 2014 | Variable, based on U.S. Midwest Transaction Price
(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 155,000 tonnes of aluminum under this agreement in 2014.
(2) | Southwire may, at its option, increase the volume purchased under the agreement by up to four percent by adjusting their monthly metal commitment.
Tolling Contracts
Contract | Customer | Volume | Term | Pricing
Glencore Toll Agreement | Glencore | 90,000 tonnes per year ("tpy") | Through July 2016 | Variable, based on LME and European Duty Paid premium
Glencore Toll Agreement | Glencore | 49,000 tpy | Through December 31, 2014 | Variable, based on LME and European Duty Paid premium
Apart from the Glencore Grundartangi Metal Agreement, the Southwire Metal Agreement and the Glencore Sweep Agreement (which expired at the end of 2013), we had the following forward delivery contractual commitments: Other forward delivery contracts
| March 31, 2014 | December 31, 2013
| (in tonnes)
Other forward delivery contracts – total | 101,649 |  | 118,373 |
Other forward delivery contracts – Glencore | 23,692 |  | 20,008 |
Other forward delivery contracts – fixed price | 52 |  | — |

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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 SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 25 -Article 5 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 03 -Paragraph 17 -Article 9 Reference 4: 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 + Details
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