Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - shares
shares in Millions
Dec. 31, 2021
Dec. 31, 2020
Treasury stock, shares 0.3 0.4
Common Class A    
Common stock, shares issued 138.0 147.0
Common Class B    
Common stock, shares issued 732.0 718.0