Annual report pursuant to Section 13 and 15(d)

Earnings Per Share (Computation of Basic and Diluted EPS) (Details)

v3.19.3.a.u2
Earnings Per Share (Computation of Basic and Diluted EPS) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Earnings Per Share [Abstract]                      
Net income $ 64 $ 45 $ 26 $ 21 $ 43 $ 58 $ 21 $ 39 $ 157 $ 162 $ 230
Basic weighted average shares outstanding (in shares)                 96.5 99.5 99.8
Stock Options and restricted stock units (RSUs) (in shares)                 0.1 0.3 0.0
Diluted weighted average shares outstanding (in shares) 95.0 96.3 97.4 98.2 99.2 100.1 100.0 99.8 96.6 99.8 99.8
Earnings per share                      
Basic (in usd per share)                 $ 1.63 $ 1.62 $ 2.31
Diluted (in usd per share) $ 0.68 $ 0.47 $ 0.27 $ 0.22 $ 0.43 $ 0.58 $ 0.21 $ 0.40 1.62 1.62 $ 2.31
Dividends:                      
Cash dividends declared per share (in usd per share)                 $ 1.16 $ 0.75  
Aggregate dividends paid to shareholders                 $ 112 $ 77 $ 0