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Intangible assets (Details) - USD ($) $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Balance at December 31, 2021 |  | $ 2,986 | $ 3,025 |  |  |
Cost |  | 4,705 | 4,415 | $ 4,162 |  | $ 4,087
Accumulated amortization and impairment |  | (1,318) | (1,161) | (1,176) |  | (1,062)
Addition |  | 232 | 982 |  |  |
Capitalized borrowing costs |  | 6 | 5 |  |  |
Write-offs |  | (35) | (12) |  |  |
Transfers |  | 1 | (11) |  |  |
Signature Bonuses Transfers | [1] | (6) | (840) |  |  |
Amortization |  | (48) | (37) |  |  |
Translation adjustment |  | 251 | 143 |  |  |
Balance at June 30, 2022 |  | 3,387 | 3,254 |  |  |
Impairment recognition |  |  | (1) |  |  |
Service concession rights [member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Balance at December 31, 2021 |  | 2,523 | 2,695 |  |  |
Cost |  | 2,900 | 2,905 | 2,578 | [2] | 2,744
Accumulated amortization and impairment |  | (62) | (54) | (55) | [2] | (49)
Addition |  | 148 | 895 |  |  |
Capitalized borrowing costs |  |  |  |  |  |
Write-offs |  | (35) | (11) |  |  |
Transfers |  |  | (10) |  |  |
Signature Bonuses Transfers | [1] | (6) | (840) |  |  |
Amortization |  | (2) | (2) |  |  |
Translation adjustment |  | 210 | 124 |  |  |
Balance at June 30, 2022 |  | 2,838 | 2,851 |  |  |
Impairment recognition |  |  |  |  |  |
Software Licenses [Member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Balance at December 31, 2021 |  | 439 | 308 |  |  |
Cost |  | 1,779 | 1,487 | 1,560 |  | 1,321
Accumulated amortization and impairment |  | (1,256) | (1,107) | (1,121) |  | (1,013)
Addition |  | 84 | 87 |  |  |
Capitalized borrowing costs |  | 6 | 5 |  |  |
Write-offs |  |  | (1) |  |  |
Transfers |  | 1 | (1) |  |  |
Signature Bonuses Transfers | [1] |  |  |  |  |
Amortization |  | (46) | (35) |  |  |
Translation adjustment |  | 39 | 18 |  |  |
Balance at June 30, 2022 |  | $ 523 | 380 |  |  |
Estimated useful life in years | [3] | 5 years |  |  |  |
Impairment recognition |  |  | (1) |  |  |
Goodwill [member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Balance at December 31, 2021 |  | $ 24 | 22 |  |  |
Cost |  | 26 | 23 | $ 24 |  | $ 22
Addition |  |  |  |  |  |
Capitalized borrowing costs |  |  |  |  |  |
Write-offs |  |  |  |  |  |
Transfers |  |  |  |  |  |
Signature Bonuses Transfers | [1] |  |  |  |  |
Amortization |  |  |  |  |  |
Translation adjustment |  | 2 | 1 |  |  |
Balance at June 30, 2022 |  | $ 26 | 23 |  |  |
Impairment recognition |  |  |  |  |  |
[1] | Transfers to PP&E. In 2023, it refers to the declaration of commerciality of the Manjuba field. In 2022, it relates to the Atapu and Sepia.
[2] | It comprises mainly signature bonuses (amounts paid in concession contracts for oil or natural gas exploration and production sharing), in addition to public service concessions, trademarks and patents and others.
[3] | Mainly composed of assets with indefinite useful lives, which are reviewed annually to determine whether events and circumstances continue to support an indefinite useful life assessment.

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