Activity and reserve balances for restructuring charges were as follows:

 

      Layoff
costs
    Other
exit costs
    Total  

Reserve balances at December 31, 2013

   $ 37     $ 29     $ 66  

2014:

      

Cash payments

     (75     (16     (91

Restructuring charges

     105       43       148  

Other*

     (19     (36     (55

Reserve balances at December 31, 2014

     48       20       68  

2015:

      

Cash payments

     (45     (12     (57

Restructuring charges

     97       7       104  

Other*

     (16     (6     (22

Reserve balances at December 31, 2015

     84       9       93  

2016:

      

Cash payments

     (73     (13     (86

Restructuring charges

     70       27       97  

Other*

     (31     (14     (45

Reserve balances at December 31, 2016

   $ 50     $ 9       59  
* Other includes reversals of previously recorded restructuring charges and the effects of foreign currency translation. In 2016 and 2014, Other for other exit costs also included a reclassification of $8 and $8, respectively, in asset retirement and $2 and $18, respectively, in environmental obligations, as these liabilities were included in Arconic’s separate reserves for asset retirement obligations and environmental remediation. In 2015, Other for other exit costs included a reclassification of $5 for certain obligations included in Arconic’s separate reserves for warranties, lease terminations and tax indemnities. In 2016, Other for other exit costs also included a reclassification of $4 in legal obligations, as these liabilities were included in Arconic’s separate reserves for legal costs.