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Condensed Consolidated Balance Sheet (Parenthetical) - $ / shares
Sep. 30, 2019
Dec. 31, 2018
Preferred stock, par value $ 0 $ 0
Preferred stock, authorized 165,000,000 165,000,000
Preferred stock, issued 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, authorized 3,500,000,000 3,500,000,000
Common stock, issued 1,660,600,000 1,660,600,000
Common stock in treasury, shares 907,500,000 893,500,000