XML 60 R49.htm IDEA: XBRL DOCUMENT v3.24.3
Debt and Letters of Credit - Schedule of Debt (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Financing Arrangements    
Borrowings under credit facility $ 0 $ 0
Long-term debt 1,116 1,158
Total debt $ 1,116 1,158
2028 Notes (4.250% Senior Notes)    
Financing Arrangements    
Debt instrument, interest rate, stated percentage 4.25%  
Long-term debt $ 556 600
Unamortized discount and deferred financing costs $ (3) (3)
2029 Notes (1.125% Convertible Senior Notes)    
Financing Arrangements    
Debt instrument, interest rate, stated percentage 1.125%  
Long-term debt $ 575 575
Unamortized discount and deferred financing costs $ (12) $ (14)