v3.26.1
Revenue - Schedule of Subscription and Transaction Fees Disaggregated by Customer Category (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Disaggregation Of Revenue [Line Items]      
Total revenue $ 1,653,160 $ 1,462,570 $ 1,290,172
Revenue excluded from ASC 606 scope 190,200 195,400 184,000
Subscription and transaction fees      
Disaggregation Of Revenue [Line Items]      
Total revenue 1,504,749 1,300,804 1,122,733
Integrated platform      
Disaggregation Of Revenue [Line Items]      
Total revenue 1,415,668 1,222,798 1,052,717
BILL AP/AR      
Disaggregation Of Revenue [Line Items]      
Total revenue 740,116 667,782 595,408
BILL Spend and Expense      
Disaggregation Of Revenue [Line Items]      
Total revenue 675,552 555,016 457,309
Embedded Solutions and Other      
Disaggregation Of Revenue [Line Items]      
Total revenue 89,081 78,006 70,016
Interest on funds held for customers      
Disaggregation Of Revenue [Line Items]      
Total revenue $ 148,411 $ 161,766 $ 167,439