XML 22 R5.htm IDEA: XBRL DOCUMENT v3.20.4
Consolidated Balance Sheets (Parenthetical) - € / shares
Dec. 31, 2020
Dec. 31, 2019
Oct. 31, 2018
Statement of Financial Position [Abstract]      
Ordinary shares, par value (eur per share) € 0.001 € 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) 28,718,333,000,000 17,632,318,000,000