The following table presents changes in the restructuring liability in 2016.
($ in millions)
Employee costs
 
Exit costs
 
Total liability
Balance as of December 31, 2015
$
1

 
$
1

 
$
2

Expense incurred
8

 
6

 
14

Payments applied against liability
(9
)
 
(5
)
 
(14
)
Balance as of December 31, 2016
$

 
$
2

 
$
2