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v3.22.1

Condensed Statements of Operations (Parenthetical) | 12 Months Ended
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Dec. 31, 2021 shares
Common Class B [Member] |
Common shares subject to forfeiture | 1,000,000

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- Definition Common shares subject to forfeiture. + References No definition available. + Details
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Namespace Prefix: | svfc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |