Document and Entity Information - shares	3 Months Ended
	Sep. 30, 2023	Oct. 27, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	001-39149
Entity Registrant Name	BILL HOLDINGS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	83-2661725
Entity Address, Address Line One	6220 America Center Drive, Suite 100
Entity Address, City or Town	San Jose
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95002
City Area Code	650
Local Phone Number	621-7700
Title of 12(b) Security	Common Stock, $0.00001 par value
Trading Symbol	BILL
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		106,755,694
Entity Central Index Key	0001786352
Current Fiscal Year End Date	--06-30
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Amendment Flag	false