XML 111 R103.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Common stock (Detail)
 6 Months Ended
Jun. 30, 2024
shares
Class A [Member]  
Class of Stock [Line Items]  
Shares issued, beginning balance 639,328
Treasury shares, beginning balance (71,553)
Shares outstanding, beginning balance 567,775
Conversions of Class A to Class B common stock (9,686)
Conversions of Class A to Class B common stock, Outstanding (9,686)
Treasury stock acquired (4,787)
Shares issued, ending balance 629,642
Treasury shares, ending balance (76,340)
Shares outstanding, ending balance 553,302
Class B [Member]  
Class of Stock [Line Items]  
Shares issued, beginning balance 1,528,152,352
Treasury shares, beginning balance (217,590,844)
Shares outstanding, beginning balance 1,310,561,508
Conversions of Class A to Class B common stock 14,529,000
Conversions of Class A to Class B common stock, Outstanding 14,529,000
Shares issued, ending balance 1,542,681,352
Treasury shares, ending balance (217,590,844)
Shares outstanding, ending balance 1,325,090,508