XML 129 R111.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Shareholders' Equity - Summary of Grants under Outstanding Stock Award Plans (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2023 shares
Employees |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 5,449,135
Number of shares waived (in shares) | (153,217)
Employees | 2020 CEO Special Bonus |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 0
Number of shares waived (in shares) | 0
Employees | 2020 Employee Plan |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 0
Number of shares waived (in shares) | (11,851)
Employees | 2021 Employee Plan |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 0
Number of shares waived (in shares) | (32,571)
Employees | 2022 Employee Plan |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 0
Number of shares waived (in shares) | (80,065)
Employees | 2023 Employee Plan |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 5,449,135
Number of shares waived (in shares) | (28,730)
2011 | Supervisory board |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 172,500
Number of shares waived, supervisory board (in shares) | (30,000)
2012 | Supervisory board |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 180,000
Number of shares waived, supervisory board (in shares) | (22,500)
June 17, 2020 | Employees | 2020 CEO Special Bonus |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 16,000
Number of shares waived (in shares) | 0
Number of shares lost on performance (in shares) | 0
July 23, 2020 | Employees | 2020 Employee Plan |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 7,437,580
Number of shares waived (in shares) | 0
Number of shares lost on performance (in shares) | 0
December 24, 2020 | Employees | 2020 Employee Plan |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 562,350
Number of shares waived (in shares) | 0
Number of shares lost on performance (in shares) | 0
July 28, 2021 | Employees | 2021 Employee Plan |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 6,327,205
Number of shares waived (in shares) | 0
Number of shares lost on performance (in shares) | (920,263)
December 21, 2021 | Employees | 2021 Employee Plan |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 213,270
Number of shares waived (in shares) | 0
Number of shares lost on performance (in shares) | (60,483)
July 27, 2022 | Employees | 2022 Employee Plan |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 6,243,670
Number of shares waived (in shares) | 0
Number of shares lost on performance (in shares) | 0
December 22, 2022 | Employees | 2022 Employee Plan |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 287,675
Number of shares waived (in shares) | 0
Number of shares lost on performance (in shares) | 0
July 26, 2023 | Employees | 2023 Employee Plan |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 5,154,115
Number of shares waived (in shares) | 0
December 11, 2023 | Employees | 2023 Employee Plan |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options granted in period (in shares) | 295,020
Number of shares waived (in shares) | 0

X
- Definition Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Lost On Performance + References No definition available. + Details
Name: | stm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesLostOnPerformance
Namespace Prefix: | stm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Waived + References No definition available. + Details
Name: | stm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesWaived
Namespace Prefix: | stm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_TitleOfIndividualAxis=stm_EmployeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

X
- Details
Name: | srt_TitleOfIndividualAxis=stm_SupervisoryBoardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

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

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

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

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