XML 116 R93.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Research and Development (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 48 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Sep. 30, 2026
Research and Development Arrangement, Contract to Perform for Others [Line Items]          
Other Research and Development Expense $ 8 $ 2 $ 17 $ 18  
Amount of letters of credit outstanding $ 6   $ 6    
Forecast          
Research and Development Arrangement, Contract to Perform for Others [Line Items]          
Other Research and Development Expense         $ 88