v3.26.1
Stock Incentive Plans - Components of Pre-Tax Stock-Based Compensation Expense Included in Continuing Operations (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2026
[1]
Jun. 30, 2025
[2]
Jun. 30, 2026
[1]
Jun. 30, 2025
[2]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation $ 6 $ 3 $ 16 $ 12
Stock Appreciation Rights (SARs)        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation 1 0 2 0
Nonvested Stock Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation 3 2 9 9
Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation $ 2 $ 1 $ 5 $ 3
[1] Included $1 million and $2 million of expense related to cash-settled nonvested restricted stock awards during the three and nine months ended June 30, 2026, respectively, and zero and $1 million of expense related to cash-settled performance units during the three and nine months ended June 30, 2026, respectively.
[2] Included zero and $1 million of expense related to cash-settled nonvested restricted stock awards during the three and nine months ended June 30, 2025, respectively, and zero and income of $1 million related to cash-settled performance units during the three and nine months ended June 30, 2025, respectively.