XML 78 R64.htm IDEA: XBRL DOCUMENT
v3.25.4

Net Income (Loss) Per Share Attributable To Common Stockholders - Additional Information (Details) shares in Millions | 6 Months Ended
--- | ---
Dec. 31, 2025 shares
Notes | Maximum |
Numerator: |
Number of shares subject to adjustment | 16.3

X
- Definition Antidilutive securities excluded from computation of earnings per share amount subject to adjustment. + References No definition available. + Details
Name: | bill_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmountSubjectToAdjustment
Namespace Prefix: | bill_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bill_ConvertibleSeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |