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Risks Arising from Financial Instruments - Summary of Offsetting Financial Assets and Liabilities (Detail) - USD ($) $ in Millions | Jun. 30, 2020 | Dec. 31, 2019
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Derivatives [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Gross amount | $ 842 | $ 362
Net amount recognized in the statement of financial position | 842 | 362
Other offsetting agreements | (837) | (352)
Total net amount | 5 | 10
Derivative liabilities [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Gross amount | (6,864) | (4,151)
Net amount recognized in the statement of financial position | (6,864) | (4,151)
Other offsetting agreements | 837 | 352
Total net amount | $ (6,027) | $ (3,799)

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- Definition The gross amount of recognised financial assets that are subject either to offsetting or to an enforceable master netting arrangement or similar agreement. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 13C -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_13C_a&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount remaining after deducting the amounts subject to an enforceable master netting arrangement or similar agreement that were not set off against financial assets, from the net amount of financial assets subject to offsetting or subject to an enforceable master netting arrangement or similar agreement presented in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 13C -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_13C_e&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The net amount of financial assets that are subject either to offsetting or to an enforceable master netting arrangement or similar agreement, presented in the statement of financial position. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 13C -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_13C_c&doctype=Standard -URIDate 2019-03-27 + Details
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