Subsequent Events (Details) - USD ($) $ in Millions		3 Months Ended
Subsequent Events (Details) - USD ($) $ in Millions	Feb. 05, 2024	Sep. 30, 2023	Sep. 30, 2022
Subsequent Event [Line Items]
Percentage of employee reduction in reprioritization plan		3.00%	20.00%
Subsequent Event \| Global Headcount Reduction
Subsequent Event [Line Items]
Percentage of employee reduction in reprioritization plan	10.00%
Subsequent Event \| Global Headcount Reduction \| Minimum
Subsequent Event [Line Items]
Expected restructuring charges	$ 55
Subsequent Event \| Global Headcount Reduction \| Maximum
Subsequent Event [Line Items]
Expected restructuring charges	75
Subsequent Event \| Global Headcount Reduction \| Severance and Related Costs and Other Charges \| Minimum
Subsequent Event [Line Items]
Expected restructuring charges	45
Subsequent Event \| Global Headcount Reduction \| Severance and Related Costs and Other Charges \| Maximum
Subsequent Event [Line Items]
Expected restructuring charges	$ 55