XML 87 R73.htm IDEA: XBRL DOCUMENT v3.25.3
Business Restructuring Charges - Changes in Restructuring Balance (Details) - USD ($)
$ in Millions
 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Restructuring Cost and Reserve [Line Items]      
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Integration, restructuring and transaction expense Integration, restructuring and transaction expense Integration, restructuring and transaction expense
Restructuring Reserve [Roll Forward]      
Beginning balance $ 60 $ 80 $ 35
Charged to expense 275 387 239
Cash payments (231) (305) (165)
Non-cash settlements (43) (104) (30)
Other adjustments 2 2 (1)
Ending balance 63 60 80
Employee Termination      
Restructuring Reserve [Roll Forward]      
Beginning balance 58 79 24
Charged to expense 45 80 117
Cash payments (72) (103) (62)
Non-cash settlements 0 0 0
Other adjustments 2 2 0
Ending balance 33 58 79
Other      
Restructuring Reserve [Roll Forward]      
Beginning balance 2 1 11
Charged to expense 230 307 122
Cash payments (159) (202) (103)
Non-cash settlements (43) (104) (30)
Other adjustments 0 0 (1)
Ending balance $ 30 $ 2 $ 1