Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Outstanding Awards and Exercises (Details)

v3.22.0.1
Stock-Based Compensation - Outstanding Awards and Exercises (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Awards      
Compensation cost not yet recognized      
Unrecognized compensation cost options $ 51    
Period over which unrecognized compensation cost will be recognized 1 year 6 months    
Awards | Common Class A, Class B And Class C      
Compensation cost not yet recognized      
Shares reserved for future issuance upon exercise of stock options 4,000    
Awards | Series A common stock      
Options      
Outstanding ending balance (in shares) 1    
WAEP      
WAEP Outstanding ending balance (in dollars per share) $ 35.81    
Options additional disclosures      
Weighted average remaining contractual life outstanding 1 year    
Awards | Series C common stock      
Options      
Outstanding beginning balance (in shares) 3,327    
Options granted (in shares) 223    
Exercised (in shares) (67)    
Outstanding ending balance (in shares) 3,483 3,327  
Number of awards exercisable (in shares) 2,179    
WAEP      
WAEP Outstanding beginning balance (in dollars per share) $ 92.35    
WAEP Options granted (in dollars per share) 152.91    
WAEP options exercised (in dollars per share) 72.16    
WAEP Outstanding ending balance (in dollars per share) 96.61 $ 92.35  
WAEP options exercisable (in dollars per share) $ 67.08    
Options additional disclosures      
Weighted average remaining contractual life outstanding 4 years 2 months 12 days    
Weighted average remaining contractual life exercisable 3 years 4 months 24 days    
Aggregate intrinsic value outstanding $ 227    
Aggregate intrinsic value exercisable 205    
Options      
Options additional disclosures      
Aggregate intrinsic value of options exercised during period $ 27 $ 1 $ 92
Options | Series A common stock      
Options      
Options granted (in shares) 0 0 0
Options | Series B common stock      
Options      
Options granted (in shares) 0 0 0
Options | CEO | Series B common stock      
Options      
Exercised (in shares) (370)    
Outstanding ending balance (in shares) 352    
WAEP      
WAEP options exercised (in dollars per share) $ 97.21    
WAEP Outstanding ending balance (in dollars per share) $ 96.35    
Options additional disclosures      
Weighted average remaining contractual life outstanding 2 years 2 months 12 days    
Aggregate intrinsic value of options exercised during period $ 23    
Options | CEO | Series C common stock      
Options      
Options granted (in shares) 167 389 302