Commercial Manufacturing and Supply Agreement - Additional Information (Details) - USD ($)	Oct. 13, 2023	Dec. 31, 2023
Supply Commitment [Line Items]
Automatic renewal period	3 years
Lonza Commercial Manufacturing and Supply Agreement [Member]
Supply Commitment [Line Items]
Agreement expiration date	Dec. 31, 2038
Agreement Termination Description	In the event that Vaxcyte GmbH terminates the agreement for convenience, or Lonza terminates the agreement in the event that Vaxcyte GmbH commits certain specified material breaches, then certain termination consequences may be triggered, including that (i) Vaxcyte GmbH would forfeit any outstanding entitlement to credit from Lonza of the Repurposing Fee (as defined below), and (ii) Vaxcyte GmbH would be obligated to pay Lonza a termination penalty equal to the greater of (a) CHF 70,000,000, or (b) a prespecified number of months’ FTE fees for the actual FTEs assigned to Vaxcyte GmbH as of the date of termination. Within 30 days of the Effective Date, Vaxcyte GmbH paid Lonza a repurposing fee (the “Repurposing Fee”) of CHF 27,000,000 that will be credited back to Vaxcyte GmbH over a 10-year period starting upon commencement of commercial production. In the event of a termination under certain circumstances, Lonza shall be obligated to provide certain wind-down and transition services to Vaxcyte GmbH for up to 12 and 24 months, respectively.
Agreement termination penalty	$ 70,000,000
Repurposing fee	$ 27,000,000
Additional renewal period	5 years
Capital expenditure related to the facility build out and equipment		$ 51,800,000
Facility Build Out Expenidtures		34,700,000
Pre-commercial services fees		$ 3,000,000
RepurposingFees	$ 27,000,000