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Goodwill and intangible assets (Details 1) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | $ 60,945 | $ 63,777 |
Operating segments [member] | Innovative Medicines |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 51,357 | 53,919 |
Operating segments [member] | Sandoz |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 9,230 | 9,603 |
Operating segments [member] | Corporate |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 358 | 255 |
Goodwill |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 29,301 | 29,595 | $ 29,999
Goodwill | Operating segments [member] | Innovative Medicines |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 21,531 | 21,562 |
Goodwill | Operating segments [member] | Sandoz |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 7,770 | 8,026 |
Goodwill | Operating segments [member] | Corporate |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value |  | 7 |
Intangible Assets other than Goodwill |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 31,644 | 34,182 | 36,809
Intangible Assets other than Goodwill | Operating segments [member] | Innovative Medicines |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 29,826 | 32,357 |
Intangible Assets other than Goodwill | Operating segments [member] | Sandoz |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 1,460 | 1,577 |
Intangible Assets other than Goodwill | Operating segments [member] | Corporate |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 358 | 248 |
Acquired research and development [member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 4,421 | 5,499 | 4,700
Acquired research and development [member] | Operating segments [member] | Innovative Medicines |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 4,186 | 5,313 |
Acquired research and development [member] | Operating segments [member] | Sandoz |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 235 | 186 |
Technologies |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 121 | 177 | 230
Technologies | Operating segments [member] | Innovative Medicines |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 14 | 15 |
Technologies | Operating segments [member] | Sandoz |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 107 | 162 |
Currently marketed products |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 25,513 | 27,106 | 30,767
Currently marketed products | Operating segments [member] | Innovative Medicines |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 24,487 | 25,938 |
Currently marketed products | Operating segments [member] | Sandoz |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 1,026 | 1,168 |
Other intangible assets |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 1,589 | 1,400 | $ 1,112
Other intangible assets | Operating segments [member] | Innovative Medicines |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 1,139 | 1,091 |
Other intangible assets | Operating segments [member] | Sandoz |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | 92 | 61 |
Other intangible assets | Operating segments [member] | Corporate |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Net book value | $ 358 | $ 248 |

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