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Right-of-use assets and Lease liabilities - Components of Right-of-Use Assets (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Jan. 01, 2019 | Dec. 31, 2018 | [1],[2]
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Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |
Right-of-use assets | $ 324 | [1],[2] | $ 279 | $ 79
Right-of-use assets, revaluation surplus |  |  | 3 |
Lease liability in excess of capital |  |  | 10 |
Land [member] |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |
Right-of-use assets | 20 |  | 20 |
Buildings [member] |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |
Right-of-use assets | 277 |  | 226 |
Machinery & equipment and other assets [member] |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |
Right-of-use assets | $ 27 |  | $ 33 |
[1] | Alcon adopted IFRS 16, Leases as of January 1, 2019 using the modified retrospective approach as described in Notes 3 and 16 to these Consolidated Financial Statements. Under the modified retrospective approach, comparative information was not restated.
[2] | The December 31, 2018 balances previously reported for a finance lease liability and corresponding asset of $89 million and $79 million, respectively, have been reclassified from "Non-current financial debts" and "Property, Plant, & Equipment" to "Non-current lease liabilities" and "Right-of-use assets", respectively.

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- Definition Lease Liability In Excess Of Capital Asset + 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 2019-01-01 -Paragraph 53 -Subparagraph j -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_j&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of the revaluation surplus that relates to right-of-use assets. [Refer: Revaluation surplus; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 57 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_57&doctype=Standard -URIDate 2019-03-27 + Details
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- Details
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- Details
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- Details
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