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Right-of-use assets and Lease liabilities - Components of Right-of-Use Assets (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Disclosure of quantitative information about right-of-use assets [line items] |  |
Right-of-use assets | $ 358 | $ 324
Land [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Right-of-use assets | 20 | 20
Buildings and improvements [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Right-of-use assets | 310 | 277
Machinery & equipment and other assets [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Right-of-use assets | $ 28 | $ 27

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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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 -URIDate 2020-01-01 + Details
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- Details
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- Details
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