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Asset Retirement Obligations (Tables)
12 Months Ended
Dec. 31, 2015
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 $97 and $76 was classified as a current liability as of December 31, 2015 and 2014, respectively):

 

December 31,    2015      2014  

Spent pot lining disposal

   $ 141       $ 170   

Closure of bauxite residue areas

     165         178   

Mine reclamation

     191         167   

Demolition*

     117         114   

Landfill closure

     30         31   

Other

     4         3   
     $ 648       $ 663   
* In 2015 and 2014, 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,    2015     2014  

Balance at beginning of year

   $ 663      $ 629   

Accretion expense

     19        25   

Payments

     (74     (84

Liabilities incurred

     96        144   

Divestitures*

     -        (20

Foreign currency translation and other

     (56     (31

Balance at end of year

   $ 648      $ 663   
* In 2014, this amount relates to the sale of an interest in a bauxite mine and alumina refinery in Jamaica and a smelter in the United States (see Note F).