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Earnings per share (Tables)
 12 Months Ended
Dec. 31, 2020
Earnings per share [abstract]  
Earnings per share
2020
2019
2018
Net income attributable to shareholders of Novartis AG (USD millions)
- Continuing operations
8 072
7 142
12 797
- Discontinued operations
4 590
– 186
Total
8 072
11 732
12 611
Number of shares (in millions)
Weighted average number of shares outstanding used in basic earnings per share
2 277
2 291
2 319
Adjustment for vesting of restricted shares, restricted share units and dilutive shares from options
19
28
25
Weighted average number of shares in diluted earnings per share
2 296
2 319
2 344
Basic earnings per share (USD)
- Continuing operations
3.55
3.12
5.52
- Discontinued operations
2.00
– 0.08
Total
3.55
5.12
5.44
Diluted earnings per share (USD)
- Continuing operations
3.52
3.08
5.46
- Discontinued operations
1.98
– 0.08
Total
3.52
5.06
5.38