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Equity-based participation plans for employees (Details 3) - Select North America
Pure in Millions
 12 Months Ended
Dec. 31, 2022
$ / shares
Dec. 31, 2021
$ / shares
Disclosure of number and weighted average exercise prices of share options [roll forward]    
Number of share options outstanding at beginning of period 4.0 6.7
Weighted average exercise price of share options outstanding in share-based payment arrangement at beginning of period $ 64.4 $ 62.9
Number of share options exercised or sold (2.9) (2.7)
Weighted average exercise price of share options exercised in share-based payment arrangement $ 63.7 $ 60.7
Number of share options outstanding at end of period 1.1 4.0
Weighted average exercise price of share options outstanding in share-based payment arrangement at end of period $ 66.1 $ 64.4
Number of share options exercisable 1.1 4.0
Weighted average exercise price of share options exercisable in share-based payment arrangement $ 66.1 $ 64.4
Disclosure of number and weighted average remaining contractual life of outstanding share options [abstract]    
Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise $ 89.1