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Earnings Per Common Share - Narrative (Details) - shares
shares in Millions
3 Months Ended 6 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Earnings Per Share [Abstract]        
Potentially dilutive securities (less than) (in shares) 1 1 1 1