Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Stock Repurchase Activity) (Details)

v3.19.1
Earnings Per Share (Stock Repurchase Activity) (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2019
USD ($)
$ / shares
shares
Shares  
Treasury stock, beginning (in shares) | shares 2,269,169
Treasury stock, acquired (in shares) | shares 900,000
Treasury stock, ending (in shares) | shares 3,143,278
Cost  
Treasury stock, cost, beginning | $ $ 119
Treasury stock, cost, acquired | $ 44
Treasury stock, cost, ending | $ $ 164
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 50.75
Treasury stock, average price per share, ending (in usd per share) | $ / shares $ 52.02