XML 49 R34.htm IDEA: XBRL DOCUMENT v3.21.1
Condensed Consolidated Financial Statement Details - Visa Europe and Contingent Value Rights Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Contingent Value Rights [Line Items]      
Contingent value rights, fair value $ 377   $ 401
Other nonoperating income (expense)      
Contingent Value Rights [Line Items]      
Contingent value rights at fair value, increase $ 5 $ (20)  
Visa Europe to Visa, Inc.      
Contingent Value Rights [Line Items]      
Percentage of disposal proceeds due to counterparty, net of tax (percent) 90.00%    
Contingent value rights $ 50   $ 70