XML 175 R106.htm IDEA: XBRL DOCUMENT
v3.23.1

Deferred tax assets and liabilities (Details 2) - USD ($) $ in Billions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Statement [line items] |  |
Unremitted earnings retained by consolidated entities for reinvestment | $ 32 | $ 29

X
- References No definition available. + Details
Name: | nvs_StatementLineItems
Namespace Prefix: | nvs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | nvs_UnremittedEarningsRetainedByConsolidatedEntitiesForReinvestment
Namespace Prefix: | nvs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration