XML 80 R62.htm IDEA: XBRL DOCUMENT v3.23.2
Stockholders' Equity - Common Stock Shares Activity (Details) - shares
shares in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Purchases of treasury stock     (14.4) (13.7)
Common Stock | Class A        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Balance at beginning of period 941.4 966.5 948.4 972.1
Purchases of treasury stock (6.5) (6.9) (14.4) (13.7)
Share-based payments 0.9 0.4 1.7 1.5
Conversion of Class B to Class A common stock 0.1 0.0 0.2 0.1
Balance at end of period 935.9 960.0 935.9 960.0
Common Stock | Class B        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Balance at beginning of period 7.5 7.7 7.6 7.8
Purchases of treasury stock 0.0 0.0 0.0 0.0
Share-based payments 0.0 0.0 0.0 0.0
Conversion of Class B to Class A common stock (0.1) 0.0 (0.2) (0.1)
Balance at end of period 7.4 7.7 7.4 7.7