Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Stock Repurchase Activity) (Details)

v3.19.2
Earnings Per Share (Stock Repurchase Activity) (Details)
$ / shares in Units, $ in Millions
6 Months Ended
Jun. 30, 2019
USD ($)
$ / shares
shares
Earnings Per Share [Abstract]  
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 86
Shares  
Treasury stock, beginning (in shares) | shares 2,269,169
Treasury stock, acquired (in shares) | shares 1,800,000
Treasury stock, ending (in shares) | shares 4,052,640
Cost  
Treasury stock, cost, beginning $ 119
Treasury stock, cost, acquired 94
Treasury stock, cost, ending $ 214
Average Price Per Share  
Treasury stock, average price per share, beginning (in usd per share) | $ / shares $ 52.51
Treasury stock, average price per share, acquired (in usd per share) | $ / shares 52.91
Treasury stock, average price per share, ending (in usd per share) | $ / shares $ 52.68