v3.26.3
Revenue Recognition - Disaggregation of Revenue by Operating Segment and by Geographic Region (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2024
Disaggregation of Revenue [Line Items]      
Sales $ 8,989 $ 8,342 $ 8,264
Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 9,074    
Other unallocated items      
Disaggregation of Revenue [Line Items]      
Sales (85)    
North America      
Disaggregation of Revenue [Line Items]      
Sales 5,801 5,270 5,053
Europe, Middle East, and Africa      
Disaggregation of Revenue [Line Items]      
Sales 1,603 1,488 1,504
Asia Pacific      
Disaggregation of Revenue [Line Items]      
Sales 1,108 1,024 1,073
Latin America      
Disaggregation of Revenue [Line Items]      
Sales 562 560 634
Intelligent Devices      
Disaggregation of Revenue [Line Items]      
Sales   3,756 3,804
Intelligent Devices | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 4,185 3,756 3,804
Intelligent Devices | North America      
Disaggregation of Revenue [Line Items]      
Sales   2,486 2,503
Intelligent Devices | North America | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 2,818    
Intelligent Devices | Europe, Middle East, and Africa      
Disaggregation of Revenue [Line Items]      
Sales   608 615
Intelligent Devices | Europe, Middle East, and Africa | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 691    
Intelligent Devices | Asia Pacific      
Disaggregation of Revenue [Line Items]      
Sales   391 399
Intelligent Devices | Asia Pacific | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 414    
Intelligent Devices | Latin America      
Disaggregation of Revenue [Line Items]      
Sales   271 287
Intelligent Devices | Latin America | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 262    
Software & Control      
Disaggregation of Revenue [Line Items]      
Sales   2,383 2,187
Software & Control | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 2,818 2,383 2,187
Software & Control | North America      
Disaggregation of Revenue [Line Items]      
Sales   1,652 1,415
Software & Control | North America | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 1,946    
Software & Control | Europe, Middle East, and Africa      
Disaggregation of Revenue [Line Items]      
Sales   341 350
Software & Control | Europe, Middle East, and Africa | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 412    
Software & Control | Asia Pacific      
Disaggregation of Revenue [Line Items]      
Sales   244 261
Software & Control | Asia Pacific | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 301    
Software & Control | Latin America      
Disaggregation of Revenue [Line Items]      
Sales   146 161
Software & Control | Latin America | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 159    
Lifecycle Services      
Disaggregation of Revenue [Line Items]      
Sales   2,203 2,273
Lifecycle Services | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 2,071 2,203 2,273
Lifecycle Services | North America      
Disaggregation of Revenue [Line Items]      
Sales   1,132 1,135
Lifecycle Services | North America | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 1,037    
Lifecycle Services | Europe, Middle East, and Africa      
Disaggregation of Revenue [Line Items]      
Sales   539 539
Lifecycle Services | Europe, Middle East, and Africa | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 500    
Lifecycle Services | Asia Pacific      
Disaggregation of Revenue [Line Items]      
Sales   389 413
Lifecycle Services | Asia Pacific | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales 393    
Lifecycle Services | Latin America      
Disaggregation of Revenue [Line Items]      
Sales   $ 143 $ 186
Lifecycle Services | Latin America | Operating Segments      
Disaggregation of Revenue [Line Items]      
Sales $ 141