Rendering

Component: (Network and Table)
Network
1053 - Disclosure - Receivables (Tables)
(http://www.alcoa.com/taxonomy/role/NotesToFinancialStatementsTransfersAndServicingOfFinancialAssetsTextBlockTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000004281 (http://www.sec.gov/CIK)
Transfers and Servicing [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Transfers and Servicing [Abstract]
 
Schedule of Allowance for Doubtful Accounts

The following table details the changes in the allowance for doubtful accounts related to customer receivables and other receivables:

 

     Customer receivables     Other receivables  
December 31,    2016     2015     2014     2016     2015     2014  

Balance at beginning of year

    $ 8     $ 6     $ 8     $ 34     $ 24     $ 28  

Provision for doubtful accounts

      7       4       4       6       8       8  

Write off of uncollectible accounts

      (3 )      (2 )      (3 )      (1 )      2       (4 ) 

Recoveries of prior write-offs

      (1 )      -       (2 )      1       (1 )      (7 ) 

Other

      2       -       (1 )      (8 )      1       (1 ) 

Balance at end of year

    $ 13     $ 8     $ 6     $ 32     $ 34     $ 24