XML 124 R113.htm IDEA: XBRL DOCUMENT v3.24.3
Commitments and Contingencies - Additional Information (Detail) - USD ($)
 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2022
Loss Contingencies [Line Items]      
Raw material purchased $ 280,000,000 $ 370,000,000 $ 512,000,000
Long term purchase commitment related to information technology $ 31,000,000    
Purchase agreement period 5 years    
Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration] Accounts payable and accrued liabilities Accounts payable and accrued liabilities  
Charges for environmental expense $ 1,000,000 $ 1,000,000 $ 1,000,000
Environmental Remediation Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] Cost of sales Cost of sales Cost of sales
Cash payments for environmental reserves $ 1,000,000 $ 1,000,000 $ 2,000,000
Settlement amount 3,000,000 9,000,000 11,000,000
(Provision) benefit for income taxes (111,000,000) 28,000,000 (102,000,000)
Respirator Liabilities [Member]      
Loss Contingencies [Line Items]      
Respirator reserve $ 35,000,000 38,000,000  
Respirator reserve period 10 years    
Respirator Liabilities [Member] | Selling and Administrative Expenses [Member]      
Loss Contingencies [Line Items]      
Respirator charge $ 0 8,000,000 6,000,000
Environmental Matters [Member]      
Loss Contingencies [Line Items]      
Reserved for environmental matters 5,000,000 5,000,000  
Environmental Matters [Member] | Operating and Maintenance Component [Member]      
Loss Contingencies [Line Items]      
Reserved for environmental matters 4,000,000 3,000,000  
Per Accident for Auto [Member]      
Loss Contingencies [Line Items]      
Self-insured liability 500,000    
Per Occurrence for All Other [Member]      
Loss Contingencies [Line Items]      
Self-insured liability 2,000,000    
Per Accident for U.S. Workers' Compensation [Member]      
Loss Contingencies [Line Items]      
Self-insured liability 1,000,000    
Maximum [Member]      
Loss Contingencies [Line Items]      
Retention for medical costs per person per annum 275,000    
Non-Controlling Interests [Member]      
Loss Contingencies [Line Items]      
Raw material purchased 138,000,000 192,000,000 $ 235,000,000
Accounts payable and accrued liabilities $ 12,000,000 $ 11,000,000