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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (UNAUDITED) (PARENTHETICAL) - shares
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2019
[1]
Dec. 31, 2018
[1]
Statement of Stockholders' Equity [Abstract]        
Common stock, shares outstanding 474,999,478 475,582,210    
Treasury stock, shares 26,891,765 26,363,033 24,100,000 22,300,000
[1] Shares may not add due to rounding.