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Statements of Consolidated Equity (Shares) - shares
shares in Thousands
Total
Preferred Stock
Common Stock
Treasury Stock
Beginning balance at Dec. 31, 2020 391,760 440 395,723 (3,963)
Issued:        
Employee stock purchase plan 55 0 55 0
Long-term incentive plan 212 0 212 0
401(k) and profit sharing 103 0 103 0
Ending balance at Mar. 31, 2021 392,130 440 396,093 (3,963)
Beginning balance at Dec. 31, 2021 405,303 1,303 409,266 (3,963)
Issued:        
Employee stock purchase plan 44 0 44 0
Long-term incentive plan 300 0 300 0
401(k) and profit sharing 87 0 87 0
Ending balance at Mar. 31, 2022 405,734 1,303 409,697 (3,963)