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Commitments and Contingencies (Details) $ in Millions	Jun. 30, 2023 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Joint development agreements, expenditures related to engineering efforts and purchases of related equipment, maximum	$ 50.0
Joint development agreements, expenditures related to engineering efforts and purchases of related equipment, cumulative amount spent	$ 5.4

X

- Definition

Joint Development Agreements, Expenditures Related to Engineering Efforts and Purchases of Related Equipment, Cumulative Amount Spent

+ References

No definition available.

+ Details

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X

- Definition

Joint Development Agreements, Expenditures Related to Engineering Efforts and Purchases of Related Equipment, Maximum

+ References

No definition available.

+ Details

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Namespace Prefix:	ses_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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