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Subsequent Events (Details) - Subsequent Event dose in Millions, $ in Millions		2 Months Ended
	Feb. 18, 2021 numberOfDose	Feb. 26, 2021 USD ($) dose
Subsequent Event [Line Items]
Number of doses of vaccine candidate | dose		125.1
Supply commitment		$ 125.4
Number of vaccine doses | numberOfDose	150,000,000
Contractual commitment to pay		$ 314.8

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- Definition

Number Of Doses Of Vaccine Candidate

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- Definition

Number Of Vaccine Doses

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- Definition

Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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- Definition

The floor amount as of the balance sheet date that the entity must expend to satisfy the terms of disclosed arrangements (excluding long-term commitments) in which the entity must commit resources to supply goods or services to one or more customers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.(a)(19))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

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-Subparagraph (SX 210.9-03.17)
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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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No definition available.

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