Commitments and Contingencies - Schedule Of non-cancelable purchase commitments related to raw materials - (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Remainder of 2023	$ 97,648
2024	47,478
Total non-cancelable purchase commitments due to our key manufacturing partners	$ 145,126

Non cancelable Purchase Commitments Due Within One Year

No definition available.

Name:	pcvx_NonCancelablePurchaseCommitmentsDueWithinOneYear
Namespace Prefix:	pcvx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant