XML 1195 R38.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Asset Retirement Obligations (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Carrying Value of Recorded AROs by Major Category | The following table details the carrying value of recorded AROs by major category (of which $85 and $75 was classified as a current liability as of December 31, 2013 and 2012, respectively):
December 31, |  | 2013 |  |  | 2012 |
Spent pot lining disposal |  | $ | 182 |  |  | $ | 182 |
Closure of bauxite residue areas |  |  | 179 |  |  |  | 190 |
Mine reclamation |  |  | 178 |  |  |  | 189 |
Demolition* |  |  | 68 |  |  |  | 28 |
Landfill closure |  |  | 18 |  |  |  | 17 |
Other |  |  | 4 |  |  |  | 4 |
|  | $ | 629 |  |  | $ | 610 |
* | In 2013, AROs were recorded as a result of management’s decision to permanently shut down and demolish certain structures (see Note D).
Schedule of Changes in Carrying Value of Recorded AROs | The following table details the changes in the total carrying value of recorded AROs:
December 31, |  | 2013 |  |  | 2012 |
Balance at beginning of year |  | $ | 610 |  |  | $ | 579 |
Accretion expense |  |  | 24 |  |  |  | 25 |
Payments |  |  | (71 | ) |  |  | (81 | )
Liabilities incurred |  |  | 118 |  |  |  | 80 |
Foreign currency translation and other |  |  | (52 | ) |  |  | 7 |
Balance at end of year |  | $ | 629 |  |  | $ | 610 |

X
- Details
Name: | us-gaap_AssetRetirementObligationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
Name: | us-gaap_ScheduleOfAssetRetirementObligationsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
Name: | us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration