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Stock-Based Compensation - Narrative (Details) - USD ($)
1 Months Ended 12 Months Ended
May 31, 2023
Dec. 31, 2020
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2018
Class of Stock [Line Items]              
Stock-based compensation arrangement, tax benefit     $ 435,000,000 $ 19,000,000 $ 36,000,000    
Income tax benefit related to stock-based compensation expense     $ 227,000,000 $ 0 0    
Options exercisable (in shares)     6,000,000 20,000,000      
Options excisable (in USD per share)     $ 60.89 $ 17.01      
Exercise of common stock options, net of shares withheld for taxes (in shares) 11,200,000   16,000,000 3,000,000      
Stock repurchased and retired (in shares) 5,700,000            
Taxes paid related to net share settlement of equity awards $ 567,000,000   $ 1,224,000,000 $ 607,000,000 $ 177,000,000    
Exercise cost $ 36,000,000            
Weighted-average fair value of options granted (in USD per share)     $ 65.22 $ 79.75 $ 96.50    
Aggregate intrinsic value of options exercised     $ 1,620,000,000 $ 326,000,000 $ 2,825,000,000    
Grant date fair value of options vested     44,000,000 45,000,000 46,000,000    
Unrecognized compensation cost related to stock option awards granted     $ 87,000,000        
Weighted-average period expected to recognize compensation expense     2 years 6 months        
Stock-based compensation expense     $ 1,120,000,000 $ 930,000,000 $ 899,000,000    
Common Class A              
Class of Stock [Line Items]              
Stock repurchased and retired (in shares)     17,900,000        
2018 Plan              
Class of Stock [Line Items]              
Additional shares authorized (in shares)             13,200,000
2018 Plan | Common Class B              
Class of Stock [Line Items]              
Shares authorized (in shares)             50,000,000
2020 Plan | Common Class A              
Class of Stock [Line Items]              
Shares authorized (in shares)   62,100,000       62,100,000  
Annual increase in number of shares authorized (percent)           5.00%  
Maximum shares issuable (in shares)           371,200,000  
Assumed Equity Incentive Plan | Common Class A              
Class of Stock [Line Items]              
Options exercisable (in shares)         98,093    
Options excisable (in USD per share)         $ 22.67    
RSAs              
Class of Stock [Line Items]              
Vesting term     4 years        
Issued and outstanding (in shares)     800,000 400,000 600,000    
Unvested RSAs, weighted-average grant-date fair value (in usd per share)     $ 100.04 $ 62.33 $ 62.32    
RSAs | Assumed Equity Incentive Plan              
Class of Stock [Line Items]              
Issued (in shares)         3,512    
RSUs              
Class of Stock [Line Items]              
Issued (in shares)     12,000,000 12,000,000      
Vesting term     4 years        
Issued and outstanding (in shares)     30,000,000 34,000,000 37,000,000    
Unvested RSAs, weighted-average grant-date fair value (in usd per share)     $ 85.35 $ 77.07 $ 61.22    
Employee Stock Purchase Plan | 2020 Employee Stock Purchase Plan              
Class of Stock [Line Items]              
Maximum shares issuable (in shares)   89,800,000          
Shares available for future issuance (in shares)     14,000,000 8,900,000      
Stock-based compensation expense     $ 29,000,000 $ 33,000,000      
Employee Stock Purchase Plan | 2020 Employee Stock Purchase Plan | Common Class A              
Class of Stock [Line Items]              
Shares authorized (in shares)   4,000,000       4,000,000  
Annual increase in number of shares authorized (percent)   1.00%