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Condensed Consolidated Statements of Redeemable Non-Controlling Interest and Stockholders' Equity (Unaudited) (Parenthetical) - Class A Common Stock $ in Millions	9 Months Ended
	Sep. 30, 2021 USD ($)
Stock issuance costs	$ 15.5
Legacy QuantumScape Series F Preferred Stock Purchase Agreement
Stock issuance costs	$ 0.1

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- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585

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