XML 52 R41.htm IDEA: XBRL DOCUMENT v3.8.0.1
Parent Company Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Nonvested Restricted Stock Units Activity
The following table summarizes information about RSUs, PSUs and stock options granted to our employees and key executive officers under GM's stock-based compensation programs (units in thousands):
 
Year Ended December 31, 2017
 
Shares
 
Weighted-Average Grant Date Fair Value
 
Weighted-Average Remaining Contractual Term (years)
Units outstanding at January 1, 2017
2,827

 
$
25.37

 
1.7
Granted
915

 
$
32.90

 
 
Settled
(701
)
 
$
36.56

 
 
Forfeited or expired
(168
)
 
$
11.93

 
 
Units outstanding at December 31, 2017
2,873

 
$
28.44

 
1.4
Units unvested and expected to vest at December 31, 2017
1,837

 
$
34.51

 
1.9
Units vested and payable at December 31, 2017
949

 
$
16.71