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Accrued Expenses and Accrued Litigation (Tables)
6 Months Ended
Jun. 30, 2021
Accrued Liabilities, Current [Abstract]  
Accrued Expenses
Accrued expenses consisted of the following:
June 30,
2021
December 31,
2020
 (in millions)
Customer and merchant incentives$4,244 $3,998 
Personnel costs614 727 
Income and other taxes208 208 
Other498 497 
Total accrued expenses$5,564 $5,430