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Segment Information - Net sales by business franchise (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of products and services [line items] |  |  |
Net sales | $ 6,763 | $ 7,362 | $ 7,149
Surgical [member] |  |  |
Disclosure of products and services [line items] |  |  |
Net sales | 3,710 | 4,174 | 3,999
Surgical [member] | Implantables [Member] |  |  |
Disclosure of products and services [line items] |  |  |
Net sales | 1,126 | 1,210 | 1,136
Surgical [member] | Consumables [Member] |  |  |
Disclosure of products and services [line items] |  |  |
Net sales | 1,952 | 2,304 | 2,227
Surgical [member] | Equipment & other [Member] |  |  |
Disclosure of products and services [line items] |  |  |
Net sales | 632 | 660 | 636
Vision Care [member] |  |  |
Disclosure of products and services [line items] |  |  |
Net sales | 3,053 | 3,188 | 3,150
Vision Care [member] | Contact lenses [Member] |  |  |
Disclosure of products and services [line items] |  |  |
Net sales | 1,838 | 1,969 | 1,928
Vision Care [member] | Ocular health [Member] |  |  |
Disclosure of products and services [line items] |  |  |
Net sales | $ 1,215 | $ 1,219 | $ 1,222

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- Definition The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2020-01-01 -Paragraph 113 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_113_a&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2020-01-01 -Paragraph 114 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_114&doctype=Standard -URIDate 2020-01-01 + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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