v3.25.2
Restructuring and Related Costs - Schedule of Restructuring Reserve by Segment (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Restructuring Cost and Reserve [Line Items]        
Restructuring costs and asset impairment charges $ 51 $ 103 $ 146 $ 377
Current Restructuring Plans        
Restructuring Cost and Reserve [Line Items]        
Restructuring costs and asset impairment charges 49   122  
Current Restructuring Plans | Corporate        
Restructuring Cost and Reserve [Line Items]        
Restructuring costs and asset impairment charges 13   41  
Americas | Current Restructuring Plans | Operating Segments        
Restructuring Cost and Reserve [Line Items]        
Restructuring costs and asset impairment charges 13   33  
EMEA | Current Restructuring Plans | Operating Segments        
Restructuring Cost and Reserve [Line Items]        
Restructuring costs and asset impairment charges 22   40  
APAC | Current Restructuring Plans | Operating Segments        
Restructuring Cost and Reserve [Line Items]        
Restructuring costs and asset impairment charges $ 1   $ 8