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Goodwill - Summary of assumptions used in the estimation of the recoverable amount (Details)	Dec. 31, 2022
Cancer genetic testing services within the Diagnostics segment [Member]
Disclosure of reconciliation of changes in goodwill [line items]
Pre-tax discount rate	17.70%
Terminal value growth rate	3.00%
Average revenue growth rate	31.10%
Sales of medical diagnostics products within the Diagnostics segment [Member]
Disclosure of reconciliation of changes in goodwill [line items]
Pre-tax discount rate	15.90%
Terminal value growth rate	3.00%
Average revenue growth rate	18.30%

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- Definition

The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]

+ References

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The average revenue growth rate used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit.

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