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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - $ / shares
Mar. 31, 2022
Dec. 31, 2021
Statement of Financial Position [Abstract]    
Common share, par value (in dollars per share) $ 1 $ 1
Common shares, shares authorized (in shares) 1,400,000,000 1,400,000,000
Common shares, shares issued (in shares) 235,600,000 241,200,000
Common shares, shares outstanding (in shares) 235,600,000 241,200,000
Preferred shares, shares authorized (in shares) 1,000,000 1,000,000
Preferred shares, shares issued (in shares) 0 0
Preferred shares, shares outstanding (in shares) 0 0