XML 124 R111.htm IDEA: XBRL DOCUMENT
v3.25.4

Stockholders' Equity - Common Stock Available for Future Issuance (Details) - shares | Dec. 31, 2025 | Dec. 31, 2024 | Feb. 02, 2022
--- | --- | --- | ---
Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] |  |  |
Common stock available for future issuance (in shares) | 78,010,211 | 76,795,708 |
Common Stock Warrants |  |  |
Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] |  |  |
Common stock available for future issuance (in shares) |  |  | 14,213,280
Common Stock Warrants, Public Warrants |  |  |
Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] |  |  |
Common stock available for future issuance (in shares) | 9,199,947 | 9,199,947 |
Common Stock Warrants, Private Warrants |  |  |
Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] |  |  |
Common stock available for future issuance (in shares) | 5,013,333 | 5,013,333 |
Employee Stock Option |  |  |
Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] |  |  |
Common stock available for future issuance (in shares) | 5,431,725 | 6,063,110 |
Restricted Stock Units (RSUs) |  |  |
Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] |  |  |
Common stock available for future issuance (in shares) | 13,883,881 | 13,282,923 |
Performance Shares |  |  |
Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] |  |  |
Common stock available for future issuance (in shares) | 5,963,154 | 5,973,050 |
SES AI Corporation 2021 Plan |  |  |
Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] |  |  |
Common stock available for future issuance (in shares) | 38,518,171 | 37,263,345 | 36,862,002

X
- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=ses_CommonStockWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=ses_CommonStockWarrantsPublicWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=ses_CommonStockWarrantsPrivateWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=ses_SesAiCorporation2021PlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |