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Consolidated Statements of Stockholders' Equity - USD ($)
shares in Millions, $ in Millions
Total
Common Stock
Treasury Stock
Additional Paid-In Capital
Retained Earnings
Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2021   478        
Beginning balance (in shares) at Dec. 31, 2021     158      
Beginning balance at Dec. 31, 2021 $ 3,849 $ 5 $ (1,989) $ 3,047 $ 2,786 $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net loss (255)       (255)  
Other comprehensive loss (1)         (1)
Vesting of restricted stock units (in shares)   1        
Vesting of restricted stock units (6)   $ (6)      
Stock compensation expense 11     11    
Ending balance (in shares) at Mar. 31, 2022   479        
Ending balance (in shares) at Mar. 31, 2022     158      
Ending balance at Mar. 31, 2022 $ 3,598 $ 5 $ (1,995) 3,058 2,531 (1)
Beginning balance (in shares) at Dec. 31, 2022 327 486        
Beginning balance (in shares) at Dec. 31, 2022 159   159      
Beginning balance at Dec. 31, 2022 $ 3,563 $ 5 $ (1,995) 3,129 2,424 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net loss (192)       (192)  
Other comprehensive loss (5)         (5)
Vesting of restricted stock units (in shares)   1        
Vesting of restricted stock units (3)   $ (3)      
Stock compensation expense $ 10     10    
Ending balance (in shares) at Mar. 31, 2023 328 487        
Ending balance (in shares) at Mar. 31, 2023 159   159      
Ending balance at Mar. 31, 2023 $ 3,373 $ 5 $ (1,998) $ 3,139 $ 2,232 $ (5)