XML 62 R49.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Leases (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Lessee Disclosure [Abstract] |
Schedule of Operating Lease | Operating leases consisted of the following:
|  | December 31, 2021 |  |  | December 31, 2020 |
Assets |  |  |  |  |  |  |  |
Right-of-use assets |  |  | 200 |  |  |  | 191 |
Total right-of-use assets |  |  | 200 |  |  |  | 191 |
Lease liabilities |  |  |  |  |  |  |  |
Current |  |  | 55 |  |  |  | 54 |
Non-current |  |  | 148 |  |  |  | 142 |
Total lease liabilities |  |  | 203 |  |  |  | 196 |
Schedule of Maturities of Operating Lease Liabilities | Maturities of operating lease liabilities are as follows:
|  | December 31, 2021 |  |
2022 |  |  | 59 |  |
2023 |  |  | 46 |  |
2024 |  |  | 30 |  |
2025 |  |  | 18 |  |
2026 |  |  | 13 |  |
Thereafter |  |  | 84 |  |
Total future undiscounted cash outflows |  |  | 250 |  |
Effect of discounting |  |  | (47 | ) |
Total operating lease liabilities |  |  | 203 |  |
Schedule of Operating Lease Term and Discount Rate | Operating lease term and discount rate are as follows:
|  | December 31, 2021 |  |  | December 31, 2020 |
Weighted average remaining lease term (in years) |  |  | 9.38 |  |  |  | 9.01 |
Weighted average discount rate |  |  | 2.69 | % |  |  | 2.71 | %
Schedule of Operating Lease Cost and Cash Paid | Operating lease cost and cash paid are as follows:
|  | 2021 |  |  | 2020 |
Operating lease cost |  |  | 68 |  |  |  | 65 |
Operating lease cash paid |  |  | 67 |  |  |  | 65 |
Schedule of Right-of-Use Assets Obtained in Exchange for New Operating Lease Liabilities | Right-of-use assets obtained in exchange for new operating lease liabilities are as follows:
|  | 2021 |  | 2020
Operating leases |  | 80 |  | 40

X
- Definition Schedule of lessee operating lease. + References No definition available. + Details
Name: | stm_ScheduleOfLesseeOperatingLeaseTableTextBlock
Namespace Prefix: | stm_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of operating lease cost and cash paid. + References No definition available. + Details
Name: | stm_ScheduleOfOperatingLeaseCostAndCashPaidTableTextBlock
Namespace Prefix: | stm_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of operating lease term and discount rate. + References No definition available. + Details
Name: | stm_ScheduleOfOperatingLeaseTermAndDiscountRateTableTextBlock
Namespace Prefix: | stm_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of right-of-use assets obtained in exchange for operating lease liabilities. + References No definition available. + Details
Name: | stm_ScheduleOfRightOfUseAssetsObtainedInExchangeForOperatingLeaseLiabilitiesTableTextBlock
Namespace Prefix: | stm_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration