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Equity - Changes in Number of Shares Outstanding (Details) - shares
shares in Thousands
 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Class A Common Stock    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning balance (in shares) 909,142 723,999
Issue of shares upon vesting of restricted stock units (in shares) 6,191 4,903
Issue of shares on exercises of stock options (in shares) 1,445 369
Issue of shares for employee stock purchase plan (in shares) 1,433 1,933
Exchange of Class B common stock for Class A common stock (in shares) 109,548 132,706
Repurchase and cancellation of Class A common stock (in shares) (25,532) (4,430)
Ending balance (in shares) 1,002,227 859,480
Class B Common Stock    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning balance (in shares) 116,548 311,433
Issue of shares upon vesting of restricted stock units (in shares) 0 0
Issue of shares on exercises of stock options (in shares) 0 0
Issue of shares for employee stock purchase plan (in shares) 0 0
Exchange of Class B common stock for Class A common stock (in shares) (109,548) (132,706)
Repurchase and cancellation of Class A common stock (in shares) 0 0
Ending balance (in shares) 7,000 178,726