v3.25.2
Stock Incentive Plans - Components of Pre-Tax Stock-Based Compensation Expense Included in Continuing Operations (Parenthetical) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation $ 3 [1] $ 4 [2] $ 12 [1] $ 12 [2]
Cash-settled Nonvested Restricted Stock Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation 0 1 1 2
Cash-settled Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation $ 0 $ 0 $ 1 $ 0
[1] 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.
[2] 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, 2024, respectively, and zero expense related to cash-settled performance units during both the three and nine months ended June 30, 2024.