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Note 12 - Intangible assets, net - Goodwill Allocated by CGU (Details) $ in Millions	Dec. 31, 2023 USD ($)
Disclosure of information for cash-generating units [line items]
Goodwill	$ 1,104
Tubes [member] | Tamsa [Member]
Disclosure of information for cash-generating units [line items]
Goodwill	365
Tubes [member] | Siderca [member]
Disclosure of information for cash-generating units [line items]
Goodwill	358
Tubes [member] | Hydril [member]
Disclosure of information for cash-generating units [line items]
Goodwill	309
Tubes [member] | Other CGU [member]
Disclosure of information for cash-generating units [line items]
Goodwill	71
Tubes [member] | Hydrill Company [member]
Disclosure of information for cash-generating units [line items]
Goodwill	920
Tubes [member] | Hydrill Company [member] | Tamsa [Member]
Disclosure of information for cash-generating units [line items]
Goodwill	346
Tubes [member] | Hydrill Company [member] | Siderca [member]
Disclosure of information for cash-generating units [line items]
Goodwill	265
Tubes [member] | Hydrill Company [member] | Hydril [member]
Disclosure of information for cash-generating units [line items]
Goodwill	309
Tubes [member] | Hydrill Company [member] | Other CGU [member]
Disclosure of information for cash-generating units [line items]
Goodwill
Tubes [member] | Other acquisition [member]
Disclosure of information for cash-generating units [line items]
Goodwill	170
Tubes [member] | Other acquisition [member] | Tamsa [Member]
Disclosure of information for cash-generating units [line items]
Goodwill	19
Tubes [member] | Other acquisition [member] | Siderca [member]
Disclosure of information for cash-generating units [line items]
Goodwill	93
Tubes [member] | Other acquisition [member] | Hydril [member]
Disclosure of information for cash-generating units [line items]
Goodwill
Tubes [member] | Other acquisition [member] | Other CGU [member]
Disclosure of information for cash-generating units [line items]
Goodwill	58
All other segments [member] | Other acquisition [member]
Disclosure of information for cash-generating units [line items]
Goodwill	14
All other segments [member] | Other acquisition [member] | Tamsa [Member]
Disclosure of information for cash-generating units [line items]
Goodwill
All other segments [member] | Other acquisition [member] | Siderca [member]
Disclosure of information for cash-generating units [line items]
Goodwill
All other segments [member] | Other acquisition [member] | Hydril [member]
Disclosure of information for cash-generating units [line items]
Goodwill
All other segments [member] | Other acquisition [member] | Other CGU [member]
Disclosure of information for cash-generating units [line items]
Goodwill	$ 14

X

- 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

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- Definition

The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2023-01-01
-Paragraph 134
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2023-01-01
-Paragraph 135
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_135_a&doctype=Standard
-URIDate 2023-03-23

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B
-URIDate 2023-03-23

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 54
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_c&doctype=Standard
-URIDate 2023-03-23

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