Annual report pursuant to Section 13 and 15(d)

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

v3.24.0.1
Stock-Based Compensation - Outstanding Awards and Exercises (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Awards      
Compensation cost not yet recognized      
Unrecognized compensation cost options $ 38    
Period over which unrecognized compensation cost will be recognized 1 year 7 months 6 days    
Awards | Series A common stock      
Options      
Outstanding ending balance (in shares) 0    
Awards | Series C common stock      
Options      
Outstanding beginning balance (in shares) 3,602,000    
Options granted (in shares) 558,000    
Exercised (in shares) (60,000)    
Forfeited/Cancelled (in shares) (37,000)    
Outstanding ending balance (in shares) 4,063,000 3,602,000  
Number of awards exercisable (in shares) 3,113,000    
WAEP      
WAEP Outstanding beginning balance (in dollars per share) $ 98.62    
WAEP Options granted (in dollars per share) 77.98    
WAEP options exercised (in dollars per share) 69.76    
WAEP options forfeited/cancelled (in dollars per share) 95.42    
WAEP Outstanding ending balance (in dollars per share) 96.23 $ 98.62  
WAEP options exercisable (in dollars per share) $ 88.02    
Options additional disclosures      
Weighted average remaining contractual life outstanding 3 years 1 month 6 days    
Weighted average remaining contractual life exercisable 2 years 4 months 24 days    
Aggregate intrinsic value outstanding $ 50    
Aggregate intrinsic value exercisable $ 49    
Awards | Series B and Series C common stock      
Compensation cost not yet recognized      
Shares reserved for future issuance upon exercise of stock options 4,000,000    
Employee Stock Option [Member]      
Options additional disclosures      
Aggregate intrinsic value of options exercised during period $ 1 $ 3 $ 27
Employee Stock Option [Member] | Series B common stock      
Options      
Forfeited/Cancelled (in shares) (69,000)    
WAEP      
WAEP options forfeited/cancelled (in dollars per share) $ 97.21    
Employee Stock Option [Member] | CEO | Series B common stock      
Options      
Exercised (in shares)   (37,000) (370,000)
Outstanding ending balance (in shares) 246,000    
WAEP      
WAEP options exercised (in dollars per share) $ 97.21    
WAEP Outstanding ending balance (in dollars per share) $ 95.98    
Options additional disclosures      
Weighted average remaining contractual life outstanding 8 months 12 days    
Aggregate intrinsic value outstanding $ 0    
Employee Stock Option [Member] | CEO | Series C common stock      
Options      
Options granted (in shares) 129,000 136,000 167,000