Statement Of Changes In Equity [Abstract]
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| Statement of changes in equity [abstract] | ||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||
| Sale or issue of treasury shares |
1 7 . 8
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1 7 . 8
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1 7 . 8
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1 7 . 8
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9 . 2
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9 . 2
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9 . 2
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9 . 2
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