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Lease liability and Right-of-use assets (Details 2) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Disclosure of maturity analysis of total lease liabilities [line items] |  |
Lease liabilities | $ 1,789 | $ 1,896
Lease liabilities undiscounted | 3,205 | 3,349
Less current lease liabilities | (251) | (275)
Less current lease liabilities undiscounted | (297) | (324)
Non-current lease liabilities | 1,538 | 1,621
Non-current lease liabilities undiscounted | 2,908 | 3,025
Commitments for leases not yet commenced | 83 | 134
Most material lease with lease term extension | $ 700 | $ 600
Lease term end date | 2071 | 2071
Not later than one year [member] |  |
Disclosure of maturity analysis of total lease liabilities [line items] |  |
Lease liabilities | $ 251 | $ 275
Lease liabilities undiscounted | 297 | 324
Later than one year and not later than two years [member] |  |
Disclosure of maturity analysis of total lease liabilities [line items] |  |
Lease liabilities | 190 | 216
Lease liabilities undiscounted | 232 | 258
Later than two years and not later than three years [member] |  |
Disclosure of maturity analysis of total lease liabilities [line items] |  |
Lease liabilities | 167 | 162
Lease liabilities undiscounted | 201 | 198
Later than three years and not later than four years [member] |  |
Disclosure of maturity analysis of total lease liabilities [line items] |  |
Lease liabilities | 137 | 139
Lease liabilities undiscounted | 172 | 172
Later than four years and not later than five years [member] |  |
Disclosure of maturity analysis of total lease liabilities [line items] |  |
Lease liabilities | 122 | 122
Lease liabilities undiscounted | 154 | 154
Later than five years [member] |  |
Disclosure of maturity analysis of total lease liabilities [line items] |  |
Lease liabilities | 922 | 982
Lease liabilities undiscounted | $ 2,149 | $ 2,243

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- Definition The amount of current lease liabilities. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2022-03-24 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_47_b&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2022-03-24 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_47_b&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of non-current lease liabilities. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2022-03-24 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_47_b&doctype=Standard -URIDate 2022-03-24 + Details
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- References No definition available. + Details
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