XML 48 R35.htm IDEA: XBRL DOCUMENT v3.19.1
Earnings Per Share - Narrative (Details) - USD ($)
$ / shares in Units, shares in Thousands
2 Months Ended 3 Months Ended
Feb. 06, 2019
Feb. 05, 2019
Feb. 28, 2018
Mar. 31, 2019
Mar. 31, 2018
Jan. 16, 2019
Jan. 31, 2018
Oct. 31, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                
Shares repurchased during the period value       $ 796,000,000 $ 836,000,000      
Shares repurchased during the period (in shares)       12,000 15,000      
Common stock quarterly dividend increase percentage 9.00%              
Common stock dividends, per share (in dollars per share) $ 0.24 $ 0.22   $ 0.24 $ 0.22      
January 2018                
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                
Shares repurchased during the period (in shares)     3,000          
Accelerated share repurchase program (prepayment) settlement amount     $ 30,000,000       $ (150,000,000)  
Initial share value received             $ 120,000,000  
Share Repurchase Program October 2017                
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                
Share repurchase program     $ 5,000,000,000         $ 1,500,000,000
Share Repurchase Program January 2019                
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                
Share repurchase program           $ 5,000,000,000    
Stock Options                
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                
Antidilutive securities excluded from diluted earnings per share calculation       600 800