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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
shares in Millions
Dec. 31, 2023
Dec. 31, 2022
Shareholders' Equity:    
Common stock, par value (in dollars per share) $ 1.00 $ 1.00
Common stock, authorized (in shares) 240.0 240.0
Common stock, issued (in shares) 120.2 132.3
Common stock, outstanding (in shares) 120.2 132.3