XML 267 R61.htm IDEA: XBRL DOCUMENT

General information / summary of general accounting policies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2022 employee continent numberOfNationalities	Dec. 31, 2021 employee	Dec. 31, 2020 employee
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total employees (in FTEs)	39,086	32,016	28,073
Number of different nationalities of entity employees \| numberOfNationalities	143
Number of continents \| continent	3
Voting rights required for consolidation of subsidiaries	50.00%
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total employees (in FTEs)	39,000