Rendering

Component: (Network and Table)
Network
1066 - Disclosure - Asset Retirement Obligations - Schedule of Carrying Value of Recorded AROs by Major Category (Detail)
(http://www.alcoa.com/taxonomy/role/DisclosureAssetRetirementObligationsScheduleOfCarryingValueOfRecordedAROsByMajorCategory)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000004281 (http://www.sec.gov/CIK)
Asset Retirement Obligation Disclosure [Abstract]Period [Axis]
2013-12-31
2012-12-31
2011-12-31
Asset Retirement Obligation Disclosure [Abstract]
 
 
 
Spent pot lining disposal
182,000,000  
182,000,000  
 
Closure of bauxite residue areas
179,000,000  
190,000,000  
 
Mine reclamation
178,000,000  
189,000,000  
 
Demolition
68,000,000  
28,000,000  
 
Landfill closure
18,000,000  
17,000,000  
 
Other
4,000,000  
4,000,000  
 
Asset retirement obligation, total
629,000,000  
 
610,000,000  
 
579,000,000