Restructuring Costs - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2024
Restructuring [Line Items]
Expense	$ 83	$ 10
Corporate and other
Restructuring [Line Items]
Expense	26	8
Cost of sales and selling, general, and administrative expenses
Restructuring [Line Items]
Expense	$ 4	$ 5
Forecast
Restructuring [Line Items]
Expected fiscal year restructuring expense			$ 250