Document and Entity Information - shares	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Aug. 04, 2020
Document Information [Line Items]
Document Type	10-Q
Document Period End Date	Jun. 30, 2020
Entity Registrant Name	FOLEY TRASIMENE ACQUISITION CORP.
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company		true
Entity Central Index Key	0001809104
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Amendment Flag	false
Class A common stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding			103,500,000
Class B common stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding			25,875,000