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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($)
$ in Millions
Common Stock [Member]
Additional Paid-In Capital [Member]
Retained Earnings [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Treasury Stock [Member]
Noncontrolling Interests [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Total
Beginning balance at Dec. 31, 2017 $ 6 $ 4,933   $ 8,588   $ 8 $ (7,516) $ 23   $ 6,042
Beginning balance, shares at Dec. 31, 2017 630,282           (196,964)      
Equity roll forward                    
Consolidated net income       1,925       (2)   1,923
Other comprehensive income (loss), net of tax           (90)       (90)
Cash dividends declared       (802)           (802)
Equity-based compensation transactions, net of tax   60   1     $ 90     151
Equity-based compensation transactions, net of tax, shares             2,345      
Common stock repurchase program             $ (1,008)     $ (1,008)
Common stock repurchase program, shares             (11,673)     (11,673,000)
Divestiture of noncontrolling interest               (19)   $ (19)
Other, net               (1)   (1)
Other, net, shares             (7)      
Ending balance at Dec. 31, 2018 $ 6 4,993 $ 85 9,797 $ (5) (87) $ (8,434) 1 $ 80 6,276
Ending balance, shares at Dec. 31, 2018 630,282           (206,299)      
Equity roll forward                    
Consolidated net income       1,670       1   1,671
Other comprehensive income (loss), net of tax           79       79
Cash dividends declared       (876)           (876)
Equity-based compensation transactions, net of tax   56   1     $ 107     164
Equity-based compensation transactions, net of tax, shares             2,585      
Common stock repurchase program             $ (244)     $ (244)
Common stock repurchase program, shares             (2,247)     (2,247,000)
Other, net, shares             5      
Ending balance at Dec. 31, 2019 $ 6 5,049 $ (2) 10,592   (8) $ (8,571) 2 $ (2) $ 7,070
Ending balance, shares at Dec. 31, 2019 630,282           (205,956)      
Equity roll forward                    
Consolidated net income       1,496           1,496
Other comprehensive income (loss), net of tax           47       47
Cash dividends declared       (927)           (927)
Equity-based compensation transactions, net of tax   80   1     $ 91     172
Equity-based compensation transactions, net of tax, shares             2,158      
Common stock repurchase program             $ (402)     $ (402)
Common stock repurchase program, shares             (3,687)     (3,687,000)
Other, net       (1)     $ 1      
Other, net, shares             4      
Ending balance at Dec. 31, 2020 $ 6 $ 5,129   $ 11,159   $ 39 $ (8,881) $ 2   $ 7,454
Ending balance, shares at Dec. 31, 2020 630,282           (207,481)