Disclosure of significant accounting policies [line items]

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- Definition

Emission Of Co 2 Gross.

+ References

No definition available.

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- Definition

Increase Decrease In Financing Obligations Connected With Leases.

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No definition available.

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- Definition

Minimum requirement of percentage of equity interest.

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No definition available.

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- Definition

Number of customers.

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No definition available.

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- Definition

Percentage Of Co2 Released Directly Related To Production Process.

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No definition available.

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- Definition

Percentage Of Co2 Released In Directly Related To Electric Consumption.

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No definition available.

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- Definition

Percentage Of Co2 Released Through Activity Of Supply And Transportation.

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No definition available.

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- Definition

Percentage Reduction Of Co2 Emissions.

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No definition available.

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- Definition

PercentageOf Co 2 Released During Calcination Of Limestone.

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No definition available.

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- Definition

Property plant and equipment acquired through capital leases.

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No definition available.

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- Definition

The increase (decrease) in equity resulting from share-based payment transactions. [Refer: Equity]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 106
-Subparagraph d
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d_iii&doctype=Standard
-URIDate 2021-03-24

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- Definition

The useful life, measured as period of time, used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 38
-IssueDate 2021-01-01
-Paragraph 118
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_a&doctype=Standard
-URIDate 2021-03-24

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Significant Accounting Policies - Additional Information (Detail) MT in Millions, Anniversaries in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) MT Anniversaries	Dec. 31, 2020 USD ($) Anniversaries	Dec. 31, 2019 USD ($) Anniversaries
Disclosure of significant accounting policies [line items]
Share-based compensation	$ 77	$ 29	$ 32
Minimum equity interest for significant influence	20.00%
Number of customers \| Anniversaries	0	0	0
Increase decrease in financing obligations connected with leases	$ 227	$ 213	$ 274
Emissions of Co2 gross \| MT	50
Percentage of Co2 released directly related to production process	60.00%
Percentage of Co2 released directly related to electric consumption	20.00%
Percentage of Co2 released through activity of supply and transportation	20.00%
Scope Three [Member]
Disclosure of significant accounting policies [line items]
Percentage reduction of Co2 emissions	0.00%
Computer software [member]
Disclosure of significant accounting policies [line items]
Useful life of intangible asset	5 years
Extraction rights [member]
Disclosure of significant accounting policies [line items]
Useful life of intangible asset	83 years
Bottom of range [member]
Disclosure of significant accounting policies [line items]
Useful life of intangible asset	3 years
Percentage of Co2 released	5.00%
Bottom of range [member] \| Scope One [Member]
Disclosure of significant accounting policies [line items]
Percentage reduction of Co2 emissions	35.00%
Bottom of range [member] \| Scope Two [Member]
Disclosure of significant accounting policies [line items]
Percentage reduction of Co2 emissions	42.00%
Top of range [member]
Disclosure of significant accounting policies [line items]
Useful life of intangible asset	20 years
Percentage of Co2 released	7.00%
Top of range [member] \| Scope One [Member]
Disclosure of significant accounting policies [line items]
Percentage reduction of Co2 emissions	40.00%
Top of range [member] \| Scope Two [Member]
Disclosure of significant accounting policies [line items]
Percentage reduction of Co2 emissions	55.00%
Mobile equipment [member]
Disclosure of significant accounting policies [line items]
Carrying amount of assets acquired through capital lease	$ 227	$ 213	274
Additional paid-in capital [member]
Disclosure of significant accounting policies [line items]
Share-based compensation			$ 17