v3.22.2.2
REVENUE - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Disaggregation of Revenue [Line Items]        
Net revenues $ 6,846 $ 6,182 $ 20,135 $ 18,453
Transaction revenues        
Disaggregation of Revenue [Line Items]        
Net revenues 6,234 5,607 18,504 17,025
Revenues from other value added services        
Disaggregation of Revenue [Line Items]        
Net revenues 612 575 1,631 1,428
Interest and fees earned on loans and interest receivable, as well as hedging gains or losses, and interest earned on certain assets underlying customer balances        
Disaggregation of Revenue [Line Items]        
Net revenues which do not represent revenues recognized in the scope of ASC Topic 606 391 168 874 289
U.S.        
Disaggregation of Revenue [Line Items]        
Net revenues 3,978 3,476 11,512 9,811
United Kingdom (“U.K.”)        
Disaggregation of Revenue [Line Items]        
Net revenues 490 529 1,552 1,741
Other countries        
Disaggregation of Revenue [Line Items]        
Net revenues $ 2,378 $ 2,177 $ 7,071 $ 6,901