XML 79 R69.htm IDEA: XBRL DOCUMENT v3.22.2
Stock Compensation Plans - Narrative (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Stock compensation plan, description     The 2022 Performance Plan was adopted by our shareholders on April 11, 2022 and will expire on February 28, 2032 unless earlier terminated. The 2022 Performance Plan replaced the 2017 Performance Plan, which was terminated on April 11, 2022, except with respect to outstanding awards.  
Stock-based compensation expense $ 8 $ 7 $ 13 $ 11
Unearned compensation cost related to the unvested portion of all stock-based awards $ 39   $ 39  
Remaining vesting period     through the first quarter of 2025  
Restricted Stock Units        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Equity instruments granted (shares)     0.6  
Weighted average fair value per share granted (dollars per share)     $ 15.66  
Performance Share Units        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Equity instruments granted (shares)     0.4  
Weighted average fair value per share granted (dollars per share)     $ 15.60