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Property, Machinery and Equipment, Net and Assets For The Right-Of-Use, Net - Consolidated Property, Machinery and Equipment, Net (Detail) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Detailed Information About In Property Plant Equipment Right Of Use Assets [Abstract]
Property, machinery and equipment, net	$ 10,170	$ 10,565	$ 11,232	$ 11,588
Assets for the right-of-use, net	1,243	1,285
Property Plant Equipment And Right Of Use Asset	$ 11,413	$ 11,850

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- Definition

Detailed Information About In Property Plant Equipment Right Of Use Assets.

+ References

No definition available.

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- Definition

Property Plant Equipment And Right Of Use Asset.

+ References

No definition available.

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- Definition

The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2020-01-01
-Paragraph 73
-Subparagraph e
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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- Definition

The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2020-01-01
-Paragraph 53
-Subparagraph j
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_j&doctype=Standard
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