v3.26.1
Revenue Recognition - Schedule of Disaggregation of Revenue by Operating Segment and by Geographic Region (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Disaggregation of Revenue [Line Items]        
Total Company Sales $ 2,239 $ 2,001 $ 4,344 $ 3,882
North America        
Disaggregation of Revenue [Line Items]        
Total Company Sales 1,412 1,288 2,751 2,438
Europe, Middle East, and Africa        
Disaggregation of Revenue [Line Items]        
Total Company Sales 430 358 802 690
Asia Pacific        
Disaggregation of Revenue [Line Items]        
Total Company Sales 257 227 512 478
Latin America        
Disaggregation of Revenue [Line Items]        
Total Company Sales 140 128 279 276
Intelligent Devices        
Disaggregation of Revenue [Line Items]        
Total Company Sales 1,008 896 1,961 1,702
Intelligent Devices | North America        
Disaggregation of Revenue [Line Items]        
Total Company Sales 672 600 1,322 1,119
Intelligent Devices | Europe, Middle East, and Africa        
Disaggregation of Revenue [Line Items]        
Total Company Sales 175 151 316 286
Intelligent Devices | Asia Pacific        
Disaggregation of Revenue [Line Items]        
Total Company Sales 92 86 188 172
Intelligent Devices | Latin America        
Disaggregation of Revenue [Line Items]        
Total Company Sales 69 59 135 125
Software & Control        
Disaggregation of Revenue [Line Items]        
Total Company Sales 684 568 1,313 1,097
Software & Control | North America        
Disaggregation of Revenue [Line Items]        
Total Company Sales 464 403 894 768
Software & Control | Europe, Middle East, and Africa        
Disaggregation of Revenue [Line Items]        
Total Company Sales 109 78 200 151
Software & Control | Asia Pacific        
Disaggregation of Revenue [Line Items]        
Total Company Sales 71 52 137 107
Software & Control | Latin America        
Disaggregation of Revenue [Line Items]        
Total Company Sales 40 35 82 71
Lifecycle Services        
Disaggregation of Revenue [Line Items]        
Total Company Sales 547 537 1,070 1,083
Lifecycle Services | North America        
Disaggregation of Revenue [Line Items]        
Total Company Sales 276 285 535 551
Lifecycle Services | Europe, Middle East, and Africa        
Disaggregation of Revenue [Line Items]        
Total Company Sales 146 129 286 253
Lifecycle Services | Asia Pacific        
Disaggregation of Revenue [Line Items]        
Total Company Sales 94 89 187 199
Lifecycle Services | Latin America        
Disaggregation of Revenue [Line Items]        
Total Company Sales $ 31 $ 34 $ 62 $ 80