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Acquisitions and divestitures - Cash flows of discontinued operations (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2018 USD ($)
Discontinued operations |
Net cash used in discontinued operations | $ (46)
Discontinued operations |
Discontinued operations |
Net cash provided by (used in) operating activities | (37)
Net cash provided (used) in investing activities | (9)
Net cash used in discontinued operations | $ (46)

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- Definition The cash flows from (used in) the entity's investing activities, related to discontinued operations. [Refer: Discontinued operations [member]; Cash flows from (used in) investing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2020-01-01 -Paragraph 33 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2020-en-r&anchor=para_33_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The cash flows from (used in) the entity's operating activities, related to discontinued operations. [Refer: Discontinued operations [member]; Cash flows from (used in) operating activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2020-01-01 -Paragraph 33 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2020-en-r&anchor=para_33_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The increase (decrease) in cash and cash equivalents from discontinued operations. [Refer: Cash and cash equivalents; Discontinued operations [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 5 -IssueDate 2020-01-01 -Paragraph 33 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2020-en-r&anchor=para_33_c&doctype=Standard -URIDate 2020-01-01 + Details
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