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Additional disclosure items G.2.1. Capital commitments (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Capital Commitments [Line Items]
Capital commitments	$ 122	$ 88
1 year
Capital Commitments [Line Items]
Capital commitments	102	71
Joint ventures
Capital Commitments [Line Items]
Capital commitments	52	66
Joint ventures | 1 year
Capital Commitments [Line Items]
Capital commitments	$ 51	$ 56

X

- Definition

The amount of future capital expenditures that the entity is committed to make.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2019-03-27

+ Details

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X

- Definition

[Line Items] for Capital Commitments [Table]

+ References

No definition available.

+ Details

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- Details

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X

- Details

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