XML 56 R32.htm IDEA: XBRL DOCUMENT v3.22.2.2
Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Dec. 31, 2020
Numerator:                    
Net income $ 230 $ 248 $ 258 $ 143 $ 185 $ 228 $ 736 $ 556    
Denominator:                    
Shares outstanding at the beginning of the period ( in shares)   57.6     57.8       57.9 58.0
Weighted-average number of shares issued:                    
Stock-based compensation (in shares) 0.0     0.0     0.2 0.3    
Stock purchases (in shares) 0.0     0.0     (0.3) (0.5)    
Denominator for basic net income per share (in shares) 57.6     57.8     57.8 57.8    
Effect of dilutive securities:                    
Stock-based compensation (in shares) 0.7     0.7     0.7 0.7    
Denominator for diluted net income per share (in shares) 58.3     58.5     58.5 58.5    
Net income per share:                    
Net income per share - Basic (in dollars per share) $ 4.00     $ 2.49     $ 12.74 $ 9.63    
Net income per share - Diluted (in dollars per share) $ 3.95     $ 2.46     $ 12.58 $ 9.51