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Performance B.4.1. Share-based compensation - Assumptions (Details) | 12 Months Ended
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Dec. 31, 2020 year $ / shares
Performance share plan 2020 (Relative TSR) |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Risk-free rate % | 0.61%
Dividend yield % | 1.47%
Share price volatility % | 24.54%
Award term (years) | year | 2.93
Share fair value | $ / shares | $ 55.66
Performance share plan 2019 (Relative TSR) |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Risk-free rate % | (0.24%)
Dividend yield % | 3.01%
Share price volatility % | 26.58%
Award term (years) | year | 2.93
Share fair value | $ / shares | $ 49.79
Performance share plan 2018 (Relative TSR) |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Risk-free rate % | (0.39%)
Dividend yield % | 3.21%
Share price volatility % | 30.27%
Award term (years) | year | 2.93
Share fair value | $ / shares | $ 57.70
Performance share plan 2017 (Relative TSR) |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Risk-free rate % | (0.40%)
Dividend yield % | 3.80%
Share price volatility % | 22.50%
Award term (years) | year | 2.92
Share fair value | $ / shares | $ 27.06
Performance share plan 2017 (Absolute TSR) |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Risk-free rate % | (0.40%)
Dividend yield % | 3.80%
Share price volatility % | 22.50%
Award term (years) | year | 2.92
Share fair value | $ / shares | $ 29.16
Performance share plan 2016 (Relative TSR) |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Risk-free rate % | (0.65%)
Dividend yield % | 3.49%
Share price volatility % | 30.00%
Award term (years) | year | 2.61
Share fair value | $ / shares | $ 43.35
Performance share plan 2016 (Absolute TSR) |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Risk-free rate % | (0.65%)
Dividend yield % | 3.49%
Share price volatility % | 30.00%
Award term (years) | year | 2.61
Share fair value | $ / shares | $ 45.94

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