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CONSOLIDATED BALANCE SHEET (Parenthetical) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Common stock, authorized (in shares) 1,800,000,000 960,000,000
Common stock, par value (in dollars per share) $ 0.10 $ 0.10
Common stock, issued (in shares) 892,612,010 477,828,813
Treasury stock (in shares) 79,082,385 78,957,318