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Consolidated Statements of Stockholders' Equity Statement - USD ($)
$ in Millions
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Balance at Dec. 31, 2019 $ 21,640 $ 206 $ 5,817 $ (5) $ 15,649 $ (27)
Net Income 10 0 0 0 10 0
Dividends, Common Stock (219) 0 0 0 (219) 0
Other Comprehensive Loss 2 0 0 2 0 0
Change in Treasury Stock - Stock Compensation Plans, Net (4) 0 0 0 0 (4)
Restricted Stock and Restricted Stock Units, Net 0 0 (4) 0 0 4
Stock-Based Compensation Expenses 40 0 40 0 0 0
Treasury Stock Issued as Compensation 2 0 0 0 0 2
Balance at Mar. 31, 2020 $ 21,471 206 5,853 (3) 15,440 (25)
Common Stock Dividends Declared (in dollars per share) $ 0.375          
Balance at Dec. 31, 2019 $ 21,640 206 5,817 (5) 15,649 (27)
Balance at Dec. 31, 2020 $ 20,302 206 5,945 (12) 14,170 (7)
Common Stock Dividends Declared (in dollars per share) $ 0.375          
Net Income $ 677 0 0 0 677 0
Dividends, Common Stock (241) 0 0 0 (241) 0
Other Comprehensive Loss (2) 0 0 (2) 0 0
Change in Treasury Stock - Stock Compensation Plans, Net (9) 0 0 0 0 (9)
Restricted Stock and Restricted Stock Units, Net 0 0 (1) 0 0 1
Stock-Based Compensation Expenses 35 0 35 0 0 0
Treasury Stock Issued as Compensation 0 0 0 0 0 0
Balance at Mar. 31, 2021 $ 20,762 $ 206 $ 5,979 $ (14) $ 14,606 $ (15)
Common Stock Dividends Declared (in dollars per share) $ 0.4125