XML 85 R74.htm IDEA: XBRL DOCUMENT v3.20.2
Earnings Per Common Share - Computation of Basic and Diluted Earnings Per Common Share (Detail) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Income (loss) from continuing operations, net of tax $ (917) $ 1,616 $ (2,257) $ 3,026
Income (loss) from discontinued operations, net of tax (1) 9 (1) 11
Net income (loss) (918) 1,625 (2,258) 3,037
Dividends and undistributed earnings allocated to participating securities (1) (12) (4) (24)
Preferred stock dividends (90) (80) (145) (132)
Issuance cost for redeemed preferred stock 0 0 (22) 0
Net income (loss) available to common stockholders $ (1,009) $ 1,533 $ (2,429) $ 2,881
Total weighted-average basic shares outstanding 456,700,000 470,800,000 457,100,000 470,100,000
Effect of dilutive securities:        
Stock options 0.0 1,300,000 0.0 1,200,000
Other contingently issuable shares 0.0 900,000 0.0 1,000,000.0
Total effect of dilutive securities 0.0 2,200,000 0.0 2,200,000
Total weighted-average diluted shares outstanding 456,700,000 473,000,000.0 457,100,000 472,300,000
Basic earnings per common share:        
Net income (loss) from continuing operations (in dollars per share) $ (2.21) $ 3.24 $ (5.31) $ 6.11
Income from discontinued operations 0.00 0.02 0.00 0.02
Net income (loss) per basic common share (in dollars per share) (2.21) 3.26 (5.31) 6.13
Diluted earnings per common share:        
Net income (loss) from continuing operations (in dollars per share) (2.21) 3.22 (5.31) 6.08
Income from discontinued operations (in dollars per share) 0.00 0.02 0.00 0.02
Net income (loss) per diluted common share (in dollars per share) $ (2.21) $ 3.24 $ (5.31) $ 6.10
Stock option        
Diluted earnings per common share:        
Anti-dilutive options excluded from the computation of diluted earnings per share (in shares) 2,600,000 0 2,700,000 137,000