Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details)

v3.22.0.1
Summary of Significant Accounting Policies (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Allowance for credit losses $ 28 $ 33  
Customer invoices period 30 days    
Maximum invested cash maturity period 18 months    
Maximum security maturity period 3 years    
Total property and equipment, at cost $ 259 255  
Foreign currency exchange gain (loss) (6) 4 $ (3)
Advertising expense $ 282 118 $ 423
Minimum      
Short-term investments term 90 days    
Long-term investments term 12 months    
Maximum      
Short-term investments term 12 months    
Finance lease right-of-use assets      
Total property and equipment, at cost $ 114 114  
Leasehold improvements      
Total property and equipment, at cost 48 49  
Computer equipment and purchased software      
Total property and equipment, at cost 77 71  
Furniture, office equipment and other      
Total property and equipment, at cost $ 20 $ 21  
Computer Equipment, Furniture, Office Equipment and Other | Minimum      
Property estimated useful life 3 years    
Computer Equipment, Furniture, Office Equipment and Other | Maximum      
Property estimated useful life 5 years