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Consolidated Balance Sheets (Parenthetical) - € / shares
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Ordinary shares, par value (eur per share) € 0.001 € 0.001
Ordinary shares, authorized (in shares) 1,750,000,000 1,750,000,000
Ordinary shares, issued (in shares) 552,012,862 552,012,862
Treasury stock (in shares) 43,331,983 28,718,333