Quarterly report pursuant to Section 13 or 15(d)

Equity - Additional Information (Details)

v3.21.2
Equity - Additional Information (Details) - 2013 Plan - Restricted stock and restricted stock units - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares awarded (in shares)     434,159  
Equity-based compensation expense $ 4 $ 4 $ 14 $ 12
Accelerated compensation expense     2  
Unrecognized compensation expense $ 19   $ 19  
Weighted-average term in which unrecognized compensation expense is expected to be recognized     2 years