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Provisions and other current liabilities (Details 1) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Provisions for deductions from revenue [roll forward] |  |  |
Provisions for deductions from revenue, at beginning of period | $ 6,481 | $ 6,256 | $ 5,595
Effects of currency translation and business combinations | (210) | (218) | 234
Payments/utilizations | (22,261) | (19,838) | (19,294)
Additions prior year | (322) | (245) | (151)
Additions current year | 23,072 | 20,413 | 19,773
Changes in offset against gross trade receivables | (28) | 113 | 99
Provisions for deductions from revenue, at end of period | $ 6,732 | $ 6,481 | $ 6,256

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- Definition The amount of current provision for refunds. [Refer: Refunds provision] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2022-03-24 -Section Example 4 Refunds policy -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2022-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_C_ex4__IAS37_IE_C_ex4_TI -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2022-03-24 -Paragraph 87 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2022-en-r&anchor=para_87&doctype=Standard -URIDate 2022-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2022-03-24 -Paragraph 84 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2022-en-r&anchor=para_84_c&doctype=Standard -URIDate 2022-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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- References No definition available. + Details
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Namespace Prefix: | nvs_
Data Type: | xbrli:monetaryItemType
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Period Type: | duration

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- References No definition available. + Details
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- References No definition available. + Details
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