XML 63 R53.htm IDEA: XBRL DOCUMENT v3.20.2
Stock-Based Compensation - Restricted Stock Units (Details) - USD ($)
$ / shares in Units, $ in Millions
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Restricted stock units    
Stock-based compensation    
Period for recognition 3 years  
Granted (in shares) 437,170  
Granted (in dollars per share) $ 47  
Forfeited (in shares) 7,930  
unrecognized compensation expense $ 8  
Weighted average remaining vesting period 2 years  
Stock options    
Stock-based compensation    
Weighted average remaining vesting period 3 years 3 years
Performance Restricted Stock Units    
Stock-based compensation    
Period for recognition 3 years  
LTIP Program | Performance Restricted Stock Units    
Stock-based compensation    
Granted (in shares) 133,390 126,680
Granted (in dollars per share) $ 34 $ 39
Forfeited (in shares) 0 15,600
Shares issued in period (in shares) 151,724