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Equity (Details 1) - CHF (SFr) shares in Millions, SFr in Billions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of classes of share capital [line items] |  |  |
Number of shares outstanding at beginning of period | 2,234.9 | 2,256.8 | 2,265.0
Treasury shares acquired to be cancelled | (126.2) | (30.7) | (32.6)
Other share purchases | (1.4) | (1.5) | (1.7)
Exercise of options and employee transactions shares | 1.9 | 0.6 | 14.7
Equity based compensation shares | 10.4 | 9.6 | 11.0
Shares delivered to divested business employees | 0.0 | 0.1 | 0.4
Total movements | (115.3) | (21.9) | (8.2)
Number of shares outstanding at end of period | 2,119.6 | 2,234.9 | 2,256.8
Shares repurchased on the SIX Swiss Exchange second trading line under the share buyback authority approved | SFr 10 | SFr 10 | SFr 10
Total Novartis shares |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued at beginning of period | 2,434.4 | 2,467.0 | 2,527.3
Shares cancelled for capital reduction | (30.7) | (32.6) | (60.3)
Total movements | (30.7) | (32.6) | (60.3)
Number of shares issued at end of period | 2,403.7 | 2,434.4 | 2,467.0
Total treasury shares |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of treasury shares at beginning of period | (199.5) | (210.2) | (262.3)
Shares cancelled for capital reduction | 30.7 | 32.6 | 60.3
Treasury shares acquired to be cancelled | (126.2) | (30.7) | (32.6)
Other share purchases | (1.4) | (1.5) | (1.7)
Exercise of options and employee transactions shares | 1.9 | 0.6 | 14.7
Equity based compensation shares | 10.4 | 9.6 | 11.0
Shares delivered to divested business employees | 0.0 | 0.1 | 0.4
Total movements | (84.6) | 10.7 | 52.1
Number of treasury shares at end of period | (284.1) | (199.5) | (210.2)
Treasury shares with restricted use | 99.0 | 102.5 | 103.0

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