Cover Page - USD ($)	10 Months Ended
	Dec. 31, 2020	Mar. 22, 2021	Jun. 30, 2020
Document Information Line Items
Entity Registrant Name	VG ACQUISITION CORP.
Document Type	10-K
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Entity Central Index Key	0001804591
Entity Current Reporting Status	No
Entity Filer Category	Non-accelerated Filer
Document Period End Date	Dec. 31, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Shell Company	true
Entity Ex Transition Period	false
Document Transition Report	false
Entity File Number	001-39587
Entity Incorporation, State or Country Code	E9
Entity Address, State or Province	NY
Entity Interactive Data Current	Yes
Document Annual Report	true
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Public Float			$ 0
ICFR Auditor Attestation Flag	false
Class A common stock
Document Information Line Items
Entity Common Stock, Shares Outstanding		50,855,000
Title of 12(b) Security	Class A ordinary shares
Trading Symbol	VGAC
Security Exchange Name	NYSE
Class B common stock
Document Information Line Items
Entity Common Stock, Shares Outstanding		12,713,750
Redeemable Warrants
Document Information Line Items
Title of 12(b) Security	Redeemable warrants
Trading Symbol	VGAC.WS
Security Exchange Name	NYSE
Units
Document Information Line Items
Title of 12(b) Security	Units, each consisting of one Class A ordinary share
Trading Symbol	VGAC.U
Security Exchange Name	NYSE