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II. ACCOUNTING POLICIES (Details Textual) R$ / shares in Units, $ / shares in Units, $ in Thousands, R$ in Millions |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) Subsidiaries $ / shares shares | Dec. 31, 2023 USD ($) Subsidiaries $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2017 | Jul. 03, 2023 shares | Jul. 03, 2023 | Jul. 03, 2023 BRL (R$) | Jul. 03, 2023 d | Jul. 03, 2023 USD ($) | Jul. 03, 2023 $ / shares | Jul. 03, 2023 Directors | Jul. 03, 2023 Officers | Mar. 30, 2023 R$ / shares shares | Dec. 31, 2020 $ / shares
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum applicable tax rate |  | 15.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Number of subsidiaries acquired | Subsidiaries | 2 | 2 |  |  |  |  |  |  |  |  |  |  |  |  |
Forecast period of revenue projections |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill or intangible assets recognized in relation to investments in non consolidated companies under the equity method | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of major business segments | 1 | 1 |  |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets and goodwill | $ 1,377,110 | $ 1,377,110 | $ 1,332,508 |  |  |  |  |  |  |  |  |  |  |  |
Research and development expense |  | $ 60,000 | $ 50,700 | $ 45,300 |  |  |  |  |  |  |  |  |  |  |
Number of shares authorised (in shares) | shares | 2,500,000,000 | 2,500,000,000 | 2,500,000,000 | 2,500,000,000 |  |  |  |  |  |  |  |  |  |  |
Par value per share (in dollars per share) | $ / shares | $ 1 | $ 1 | $ 1 | $ 1 |  |  |  |  |  |  |  |  |  |  | $ 1
Total number of shares issued (in shares) | shares | 1,180,536,830 | 1,180,536,830 | 1,180,536,830 | 1,180,536,830 |  |  |  |  |  |  |  |  |  |  |
Number of votes, per share | 1 | 1 | 1 |  |  |  |  |  |  |  |  |  |  |  |
Employee benefits, unit vesting period (Year) |  | 4 years |  |  | 4 years |  |  |  |  |  |  |  |  |  |
Employee benefits, company redemption period (Year) |  | 7 years |  |  | 10 years |  |  |  |  |  |  |  |  |  |
Employee benefits, early redemption period (Year) |  |  |  |  | 7 years |  |  |  |  |  |  |  |  |  |
Carrying value of units granted | $ 144,000 | $ 144,000 | $ 123,900 |  |  |  |  |  |  |  |  |  |  |  |
Dilutive effect of share options on number of ordinary shares (in shares) | shares |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum period of lease term of short term leases |  | 12 months |  |  |  |  |  |  |  |  |  |  |  |  |
Forecast period of cash flow projections |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |
Nominal growth rate | 2.00% | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum maturity period of fair value through other comprehensive income instruments for short-term nature |  | 12 months |  |  |  |  |  |  |  |  |  |  |  |  |
Other current Non-current benefits | $ 119,600 | $ 119,600 | 94,400 |  |  |  |  |  |  |  |  |  |  |  |
Information system projects [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets and goodwill | 72,165 | 72,165 | 53,355 |  |  |  |  |  |  |  |  |  |  |  |
Licenses, patents, trademarks, and proprietary technology [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets and goodwill | 86,700 | 86,700 | 86,700 | $ 86,700 |  |  |  |  |  |  |  |  |  |  |
Customer-related intangible assets [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets and goodwill | $ 47,906 | $ 47,906 | 41,527 |  |  |  |  |  |  |  |  |  |  |  |
Customer-related intangible assets [member] | Maverick Tube Corporation [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible asset, useful life (Year) |  | 14 years |  |  |  |  |  |  |  |  |  |  |  |  |
Customer-related intangible assets [member] | Hydrill Company [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible asset, useful life (Year) |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |
Customer-related intangible assets [member] | SAUDI STEEL PIPE CO. and subsidiaries [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Selling, general and administrative expenses, additional amortization of intangible assets |  |  | $ 4,100 |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible asset, useful life (Year) |  | 9 years | 3 years | 5 years |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible asset, residual useful life (Year) | 1 year 9 months |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer-related intangible assets [member] | Ipsco Tubulars Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible asset, useful life (Year) |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible asset, residual value | $ 26,400 | $ 26,400 |  |  |  |  |  |  |  |  |  |  |  |  |
Customer-related intangible assets [member] | Mattrs Pipe Coating Business Unit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible asset, useful life (Year) |  | 4 months |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible asset, residual value | $ 21,500 | $ 21,500 |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible asset, residual useful life (Year) | 3 months |  |  |  |  |  |  |  |  |  |  |  |  |  |
Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate used in current estimate of value in use | 21.40% | 21.40% | 20.20% | 18.80% |  |  |  |  |  |  |  |  |  |  |
Percentage of voting rights held in unconsolidated entities | 50.00% | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Top of range [member] | Information system projects [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible asset, useful life (Year) |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Top of range [member] | Licenses, patents, trademarks, and proprietary technology [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible asset, useful life (Year) |  | 20 years |  |  |  |  |  |  |  |  |  |  |  |  |
Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate used in current estimate of value in use | 12.50% | 12.50% | 13.40% | 10.90% |  |  |  |  |  |  |  |  |  |  |
Percentage of voting rights held in unconsolidated entities | 20.00% | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Bottom of range [member] | Licenses, patents, trademarks, and proprietary technology [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible asset, useful life (Year) |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Usiminas [member] | The new SHA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares bound to SHA (in shares) | shares | 483,600,000 | 483,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Percent of company voting capital | 68.60% | 68.60% |  |  |  |  |  |  |  |  |  |  |  |  |
T/T Group [member] | The new SHA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percent of company voting capital | 61.30% | 61.30% |  |  |  |  |  |  |  |  |  |  |  |  |
Ternium entitites [member] | The new SHA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percent of company voting capital | 51.50% | 51.50% |  |  |  |  |  |  |  |  |  |  |  |  |
Confab [member] | The new SHA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percent of company voting capital | 9.80% | 9.80% |  |  |  |  |  |  |  |  |  |  |  |  |
NSSMC [member] | The new SHA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percent of company voting capital | 31.70% | 31.70% |  |  |  |  |  |  |  |  |  |  |  |  |
Previdencia Usiminas [member] | The new SHA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percent of company voting capital | 7.00% | 7.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Usiminas [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of voting rights held in associate |  | 6.76% | 5.19% |  |  |  |  |  |  |  |  |  |  |  |
Usiminas [member] | Preference shares [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares subscribed to (in shares) | shares | 1,300,000 | 1,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Usiminas [member] | Ordinary shares [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares subscribed to (in shares) | shares | 47,500,000 | 47,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Major purchases of assets [member] | Usiminas [member] | The new SHA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Majority percentage of control group shares |  |  |  |  |  |  | 55.00% |  |  |  |  |  |  |  |
Major purchases of assets [member] | Usiminas [member] | T/T Group [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting capital increased in control group |  |  |  |  |  |  | 9.80% |  |  |  |  |  |  |  |
Major purchases of assets [member] | Usiminas [member] | T/T Group [member] | The new SHA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Board members can be appointed through the shareholders agreement | Officers |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  |
Major purchases of assets [member] | Usiminas [member] | Tenaris [member] | The new SHA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Board members can be appointed through the shareholders agreement |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  |
Major purchases of assets [member] | Usiminas [member] | Ordinary shares [member] | T/T Group [member] | The new SHA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares outstanding in control group | shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 68,700,000 |
Number of shares subscribed to (in shares) | shares |  |  |  |  |  | 11,000,000 |  |  |  |  |  |  |  |  |
Shares subscribed to, price per share (in BRL per share) | R$ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | R$ 10 |
Thresold number of trading days immediately prior to date of exercising option | d |  |  |  |  |  |  |  |  | 40 |  |  |  |  |  |
Shares subscribed to, value |  |  |  |  |  |  |  | R$ 110 |  | $ 22,700 |  |  |  |  |
Major purchases of assets [member] | Usiminas [member] | Ordinary shares [member] | T/T Group [member] | The new SHA [member] | From two years anniversary right to buy [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares subscribed to, price per share (in BRL per share) | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 10 |  |  |  |
Major purchases of assets [member] | Usiminas [member] | Ordinary shares [member] | NSSMC [member] | The new SHA [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of trading days to calculate moving average share price | d |  |  |  |  |  |  |  |  | 40 |  |  |  |  |  |
Major purchases of assets [member] | Usiminas [member] | Ordinary shares [member] | NSSMC [member] | The new SHA [member] | From two years anniversary right to buy [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares right purchase under agreement | shares |  |  |  |  |  | 153,100,000 |  |  |  |  |  |  |  |  |
Major purchases of assets [member] | Usiminas [member] | Ordinary shares [member] | NSSMC [member] | The new SHA [member] | From two years anniversary right to sell [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares subscribed to, price per share (in BRL per share) | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 10 |  |  |  |

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- Definition Represents the carrying value of units granted to date under the employee retention and long term incentive program. + References No definition available. + Details
Name: | ts_CarryingValueOfUnitsGranted
Namespace Prefix: | ts_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This element is represent Description of Growth Rate Used to Extrapolate Terminal Value. + References No definition available. + Details
Name: | ts_DescriptionOfGrowthRateUsedToExtrapolateTerminalValue
Namespace Prefix: | ts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the period at which the company will redeem units granted under the employee retention and long term inventive program. + References No definition available. + Details
Name: | ts_EmployeeBenefitsCompanyRedemptionPeriod
Namespace Prefix: | ts_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the period that the company may exercise an option to for early redemption of units granted under the employee retention and long term incentive program. + References No definition available. + Details
Name: | ts_EmployeeBenefitsEarlyRedemptionPeriod
Namespace Prefix: | ts_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the period that units under an employee retention and long term incentive program vest ratably. + References No definition available. + Details
Name: | ts_EmployeeBenefitsUnitVestingPeriod
Namespace Prefix: | ts_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the residual useful life of a finite-lived intangible asset. + References No definition available. + Details
Name: | ts_FinitelivedIntangibleAssetResidualUsefulLife
Namespace Prefix: | ts_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the aggregate expected value at the end of their useful life of a finite-lived intangible asset. + References No definition available. + Details
Name: | ts_FinitelivedIntangibleAssetResidualValue
Namespace Prefix: | ts_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the useful life of finite-lived intangible assets. + References No definition available. + Details
Name: | ts_FinitelivedIntangibleAssetUsefulLife
Namespace Prefix: | ts_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The forecast period of cash flow projections used in cash-generating units. + References No definition available. + Details
Name: | ts_ForecastPeriodOfCashFlowProjections
Namespace Prefix: | ts_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The forecast period of revenue projections used to calculate expected loss rates. + References No definition available. + Details
Name: | ts_ForecastPeriodOfRevenueProjections
Namespace Prefix: | ts_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The majority percentage of control group shares for ordinary decisions. + References No definition available. + Details
Name: | ts_MajorityPercentageOfControlGroupShares
Namespace Prefix: | ts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum maturity period of financial assets at fair value through other comprehensive income (“FVOCI”) instruments for short-term nature. + References No definition available. + Details
Name: | ts_MaximumMaturityPeriodOfFairValueThroughOtherComprehensiveIncomeInstrumentsForShortTermNature
Namespace Prefix: | ts_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period of lease term of short-term leases upon lease contract. + References No definition available. + Details
Name: | ts_MaximumPeriodOfLeaseTermOfShortTermLeases
Namespace Prefix: | ts_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The minimum applicable income tax rate. + References No definition available. + Details
Name: | ts_MinimumApplicableTaxRate
Namespace Prefix: | ts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of Board members can be appointed through the shareholders agreement by the entity at a date. + References No definition available. + Details
Name: | ts_NumberOfBoardMembersCanBeAppointedThroughShareholdersAgreement
Namespace Prefix: | ts_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of major business segments. + References No definition available. + Details
Name: | ts_NumberOfMajorBusinessSegments
Namespace Prefix: | ts_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares right purchase under agreement. + References No definition available. + Details
Name: | ts_NumberOfSharesRightPurchaseUnderAgreement
Namespace Prefix: | ts_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the amount of shares subscribed to. + References No definition available. + Details
Name: | ts_NumberOfSharesSubscribedTo
Namespace Prefix: | ts_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of shares to be purchased under agreement. + References No definition available. + Details
Name: | ts_NumberOfSharesToBePurchasedUnderAgreement
Namespace Prefix: | ts_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of subsidiaries acquired. + References No definition available. + Details
Name: | ts_NumberOfSubsidiariesAcquired
Namespace Prefix: | ts_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of trading days to calculate moving average share price. + References No definition available. + Details
Name: | ts_NumberOfTradingDaysToCalculateMovingAverageSharePrice
Namespace Prefix: | ts_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of votes given to each share of stock. + References No definition available. + Details
Name: | ts_NumberOfVotesPerShare
Namespace Prefix: | ts_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of other current non-current benefits. + References No definition available. + Details
Name: | ts_OtherCurrentNoncurrentBenefits
Namespace Prefix: | ts_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percent of a company's voting capital represented. + References No definition available. + Details
Name: | ts_PercentOfCompanyVotingCapital
Namespace Prefix: | ts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of company voting capital increased in control group upon the closing of the transaction under share purchase agreement. + References No definition available. + Details
Name: | ts_PercentageOfVotingCapitalIncreasedInControlGroup
Namespace Prefix: | ts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of voting rights held in unconsolidated entities in which reporting entity has significant influence but not control. + References No definition available. + Details
Name: | ts_PercentageOfVotingRightsHeldInUnconsolidatedEntities
Namespace Prefix: | ts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of additional amortization of intangible assets attributable to selling, general and administrative expenses. + References No definition available. + Details
Name: | ts_SellingGeneralAndAdministrativeExpensesAdditionalAmortizationOfIntangibleAssets
Namespace Prefix: | ts_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of shares bound to SHA. + References No definition available. + Details
Name: | ts_SharesBoundToSHA
Namespace Prefix: | ts_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the price per share of shares subscribed to. + References No definition available. + Details
Name: | ts_SharesSubscribedToPricePerShare
Namespace Prefix: | ts_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the value of shares subscribed to. + References No definition available. + Details
Name: | ts_SharesSubscribedToValue
Namespace Prefix: | ts_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The thresold number of trading days immediately prior to date of exercising option to calculate moving average share price. + References No definition available. + Details
Name: | ts_ThresoldNumberOfTradingDaysImmediatelyPriorToDateOfExercisingOption
Namespace Prefix: | ts_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=ifrs-full_CustomerrelatedIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_BusinessCombinationsAxis=ts_MaverickTubeCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_BusinessCombinationsAxis=ts_HydrilCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_BusinessCombinationsAxis=ts_SaudiSteelPipeCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_BusinessCombinationsAxis=ts_IpscoTubularsIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_BusinessCombinationsAxis=ts_MattrsPipeCoatingBusinessUnitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=ts_UsiminasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_TypesOfContractsAxis=ts_TheNewSHAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=ts_TTGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=ts_TerniumEntititesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=ts_ConfabMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=ts_NSSMCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=ts_PrevidenciaUsiminasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=ts_TenarisMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_MaturityAxis=ts_FromTwoYearsAnniversaryRightToBuyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_MaturityAxis=ts_FromTwoYearsAnniversaryRightToSellMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
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