XML 81 R70.htm IDEA: XBRL DOCUMENT v3.21.2
Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Basic        
Net income attributable to stockholders $ 2,420 $ 4,045 $ 8,278 $ 3,581
Less: cumulative dividends on subsidiary preferred stock (45) (40) (137) (135)
Net income attributable to common stockholders $ 2,375 $ 4,005 $ 8,141 $ 3,446
Weighted-average common shares outstanding - basic (in shares) 1,452 1,432 1,450 1,432
Basic earnings per common share (in dollars per share) $ 1.64 $ 2.80 $ 5.61 $ 2.41
Diluted        
Net income attributable to common stockholders – diluted $ 2,375 $ 4,005 $ 8,141 $ 3,446
Weighted-average common shares outstanding - basic (in shares) 1,452 1,432 1,450 1,432
Dilutive effect of warrants and awards under stock incentive plans (in shares) 15 7 17 7
Weighted-average common shares outstanding - diluted (in shares) 1,467 1,439 1,467 1,439
Diluted earnings per common share (in dollars per share) $ 1.62 $ 2.78 $ 5.55 $ 2.40
Potentially dilutive securities (in shares) 2 31 2 31