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Intangibles - (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
IfrsStatementLineItems [Line Items] |  |
Balance at beginning of year | $ 10,238 | $ 9,011
Additions | 183 | 149
Disposals | (7) | (9)
Amortization | (144) | (142)
Translation adjustment | 731 | 439
Balance at end of year | 11,001 | 9,448
Intangible assets and goodwill | 11,001 | 9,448
Gross carrying amount [member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets and goodwill, cost | 13,116 | 11,194
Accumulated depreciation, amortisation and impairment [member] |  |
IfrsStatementLineItems [Line Items] |  |
Accumulated amortization | (2,115) | (1,746)
Goodwill [member] |  |
IfrsStatementLineItems [Line Items] |  |
Balance at beginning of year | 3,189 | 3,208
Translation adjustment | 151 | 63
Balance at end of year | 3,340 | 3,271
Intangible assets and goodwill | 3,340 | 3,271
Goodwill [member] | Gross carrying amount [member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets and goodwill, cost | 3,340 | 3,271
Ifrs Concessions [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Balance at beginning of year | 6,434 | 5,223
Additions | 167 | 132
Disposals | (7) | (9)
Amortization | (123) | (120)
Translation adjustment | 530 | 341
Balance at end of year | 7,001 | 5,567
Intangible assets and goodwill | 7,001 | 5,567
Ifrs Concessions [Member] | Gross carrying amount [member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets and goodwill, cost | 8,601 | 6,846
Ifrs Concessions [Member] | Accumulated depreciation, amortisation and impairment [member] |  |
IfrsStatementLineItems [Line Items] |  |
Accumulated amortization | (1,600) | (1,279)
Computer software [member] |  |
IfrsStatementLineItems [Line Items] |  |
Balance at beginning of year | 87 | 86
Additions | 13 | 17
Amortization | (21) | (22)
Translation adjustment | 6 | 2
Balance at end of year | 85 | 83
Intangible assets and goodwill | 85 | 83
Computer software [member] | Gross carrying amount [member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets and goodwill, cost | 600 | 550
Computer software [member] | Accumulated depreciation, amortisation and impairment [member] |  |
IfrsStatementLineItems [Line Items] |  |
Accumulated amortization | (515) | (467)
Research And Development Project And Patents [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Balance at beginning of year | 528 | 494
Additions | 3 |
Translation adjustment | 44 | 33
Balance at end of year | 575 | 527
Intangible assets and goodwill | 575 | 527
Research And Development Project And Patents [Member] | Gross carrying amount [member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets and goodwill, cost | $ 575 | $ 527

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- Definition The amount of additions to intangible assets other than goodwill, other than those acquired through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -Clause vi -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_vi&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The decrease in intangible assets other than goodwill resulting from disposals. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_ii&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
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