Costs and expenses by nature - Selling and administrative (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Costs and expenses by nature
Selling	$ 80	$ 81	$ 79
Personnel	170	168	181
Services	107	114	85
Depreciation and amortization	42	49	56
Advertisement	27	17	7
Others	55	62	66
Selling and administrative expenses	$ 481	$ 491	$ 474

The amount of expense arising from advertising.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

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- References

No definition available.

+ Details

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- Definition

The amount of expenses that the entity does not separately disclose in the same statement or note when the entity uses the 'nature of expense' form for its analysis of expenses. [Refer: Expenses, by nature]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount of expense relating to selling activities of the entity.

+ References

+ Details

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- Definition

The amount of expense relating to selling, general and administrative activities of the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
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-URIDate 2021-03-24

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- Definition

The amount of depreciation and amortization expense in selling and administrative expenses. Depreciation and amortization are the systematic allocations of depreciable amounts of assets over their useful lives

+ References

No definition available.

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- Definition

The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment included in selling and administrative expenses.

+ References

No definition available.

+ Details

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- Definition

The services expense included in selling and administrative expenses.

+ References

No definition available.

+ Details

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