- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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

- 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

- 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

- 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

- 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

- 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

- 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

- 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

- 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

- Details

Name:	ifrs-full_ClassesOfShareCapitalAxis=ifrs-full_OrdinarySharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInAssociatesAxis=ts_UsiminasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ifrs-full_MajorPurchasesOfAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

Update as of March 30, 2022 (Details - Textuals) - Usiminas [member] R$ / shares in Units, shares in Millions, R$ in Millions, $ in Millions	Dec. 31, 2023 shares	Jul. 03, 2023 shares	Jul. 03, 2023	Jul. 03, 2023 BRL (R$)	Jul. 03, 2023 d	Jul. 03, 2023 USD ($)	Jul. 03, 2023 Directors	Jul. 03, 2023 Officers	Mar. 30, 2023 R$ / shares shares
Ordinary shares [member]
Disclosure of non-adjusting events after reporting period [line items]
Number of shares subscribed to (in shares)	47.5
Major purchases of assets [member] \| The new SHA [member]
Disclosure of non-adjusting events after reporting period [line items]
Majority percentage of control group shares			55.00%
Major purchases of assets [member] \| T/T Group [member]
Disclosure of non-adjusting events after reporting period [line items]
Percentage of voting capital increased in control group			9.80%
Major purchases of assets [member] \| T/T Group [member] \| The new SHA [member]
Disclosure of non-adjusting events after reporting period [line items]
Number of Board members can be appointed through the shareholders agreement \| Officers								4
Major purchases of assets [member] \| Tenaris [member] \| The new SHA [member]
Disclosure of non-adjusting events after reporting period [line items]
Number of Board members can be appointed through the shareholders agreement							1	1
Major purchases of assets [member] \| Ordinary shares [member] \| T/T Group [member] \| The new SHA [member]
Disclosure of non-adjusting events after reporting period [line items]
Number of shares to be purchased under agreement									68.7
Shares subscribed to, price per share (in BRL per share) \| R$ / shares									R$ 10
Shares subscribed to, value				R$ 110		$ 22.7
Number of shares subscribed to (in shares)		11.0
Number of shares outstanding in control group									68.7
Thresold number of trading days immediately prior to date of exercising option \| d					40
Major purchases of assets [member] \| Ordinary shares [member] \| NSSMC [member] \| The new SHA [member]
Disclosure of non-adjusting events after reporting period [line items]
Number of trading days to calculate moving average share price \| d					40