v3.26.1
BUSINESS SEGMENTS
 6 Months Ended
Mar. 31, 2026
Segment Reporting [Abstract]  
BUSINESS SEGMENTS BUSINESS SEGMENTS
On November 20, 2025, Emerson announced that with the completion of the Company's portfolio transformation, it has revised its management organization and updated its reportable segments. Effective in fiscal 2026, Emerson now reports results for five segments which are described in further detail below. Prior year amounts have been reclassified to conform to the current year presentation.

The Control Systems & Software segment delivers a portfolio of automation systems, intelligent software and industrial AI solutions. This segment empowers industrial organizations worldwide to harness data, optimize performance and achieve operational excellence on the plant level and across the enterprise.

Featuring market-leading brands and technologies – including DeltaV™ and Ovation™ control systems and AspenTech’s asset optimization software – this segment integrates advanced automation, edge-to-cloud analytics and AI. These solutions enable customers to make faster, smarter decisions, boost productivity and accelerate their digital transformation in complex environments. This segment also now includes programmable automation controllers, which were previously reported in the former Discrete Automation segment.
The Test & Measurement segment offers an integrated portfolio of intelligent test platforms, modular hardware and powerful software to accelerate innovation, reduce complexity and enhance product quality. With automated test solutions, the NI brand delivers flexible, AI-enabled tools that provide insights and adaptability for measurement and control challenges across diverse industries.

Featuring open software architectures, flexible hardware systems and expert services, Test & Measurement enables customers to connect data and automation, optimize testing processes and assist in reliable performance. By integrating advanced analytics and automation technologies, these solutions help companies drive efficiency and respond quickly to evolving demands.
The Control Systems & Software and Test & Measurement segments are combined and reported as the Software & Systems group.
The Sensors segment (formerly described as Measurement & Analytical) delivers leading sensing and measurement solutions that provide real-time, reliable data for the world’s most essential applications. Leveraging innovative technologies and trusted brands like Rosemount and Micro Motion, the segment helps customers to monitor critical parameters, optimize operations and support safer, more sustainable performance.

With a comprehensive portfolio that includes secure, wireless and non-intrusive instrumentation, Emerson’s Sensors segment empowers organizations to detect, analyze and respond to changing conditions in even the harshest environments. By integrating advanced sensors with automation platforms and analytics, these solutions help customers unlock operational insights, ensure compliance and accelerate productivity at scale.
The Final Control segment is a leading supplier of valves, digital valve controllers, actuators and regulators engineered to excel in the most demanding conditions. Anchored by trusted brands like Fisher, ASCO and Bettis, the segment empowers customers to precisely manage the flow of liquids and gases for safer, more reliable and efficient operations. This segment also now includes the fluid & motion control business from the former Discrete Automation segment.

With solutions spanning control, isolation and pressure relief valves, as well as solenoid and pneumatic valves, valve position indicators, cylinders, air preparation equipment and electric linear motion, Final Control supports critical applications across a wide range of industries. By combining deep expertise with leading technologies, these solutions help customers optimize performance and drive long-term sustainability.
The Sensors and Final Control segments are combined and reported as the Intelligent Devices group.

The Safety & Productivity segment delivers innovative tools, connected equipment and technologies that empower professionals in the mechanical, electrical and plumbing industries. The segment provides a comprehensive range of mechanical, electrical and diagnostic solutions to support critical infrastructure, promote safety and drive productivity across construction, maintenance and industrial environments. This segment also now includes the electrical equipment and materials joining businesses from the former Discrete Automation segment.
Summarized information about the Company's results of operations by business segment follows:

Three Months Ended March 31,
2025
Control Systems & SoftwareTest & MeasurementSoftware & SystemsSensorsFinal ControlIntelligent DevicesSafety & Productivity
Net Sales$1,093 358 1,451 1,000 1,459 2,459 522 
Cost of sales480 92 572 436 761 1,197 291 
Selling, general and administrative expenses283 183 466 273 307 580 116 
Other deductions, net92 107 199 25 36 61 10 
Earnings (Loss)$238 (24)214 266 355 621 105 
Three Months Ended March 31,
2026
Control Systems & SoftwareTest & MeasurementSoftware & SystemsSensorsFinal ControlIntelligent DevicesSafety & Productivity
Net Sales$1,089 414 1,503 1,024 1,488 2,512 547 
Cost of sales505 111 616 445 771 1,216 306 
Selling, general and administrative expenses297 197 494 279 309 588 121 
Other deductions, net63 111 174 24 55 79 11 
Earnings (Loss)$224 (5)219 276 353 629 109 
Six Months Ended March 31,
2025
Control Systems & SoftwareTest & MeasurementSoftware & SystemsSensorsFinal ControlIntelligent DevicesSafety & Productivity
Net Sales$2,116 717 2,833 1,972 2,793 4,765 1,010 
Cost of sales931 181 1,112 860 1,459 2,319 567 
Selling, general and administrative expenses561 358 919 533 606 1,139 226 
Other deductions, net180 215 395 27 68 95 15 
Earnings (Loss)$444 (37)407 552 660 1,212 202 
Six Months Ended March 31,
2026
Control Systems & SoftwareTest & MeasurementSoftware & SystemsSensorsFinal ControlIntelligent DevicesSafety & Productivity
Net Sales$2,133 823 2,956 2,020 2,882 4,902 1,050 
Cost of sales986 213 1,199 891 1,492 2,383 593 
Selling, general and administrative expenses574 381 955 549 621 1,170 234 
Other deductions, net117 219 336 38 84 122 19 
Earnings (Loss)$456 10 466 542 685 1,227 204 
The following table reconciles the total segment results from the tables above to the Company's consolidated results.
Earnings (Loss)
Three Months Ended March 31,Six Months Ended March 31,
2025 2026 2025 2026 
Segment Totals$940 957 $1,821 1,897 
Corporate items:
Stock compensation(59)(57)(127)(113)
Unallocated pension and postretirement costs27 28 55 57 
Corporate and other(238)(51)(295)(100)
Interest expense, net(41)(84)(50)(173)
     Total$629 793 $1,404 1,568 

Stock compensation for the three and six months ended March 31, 2026 included integration-related stock compensation expense of $4 and $9, respectively (of which $1 was reported as restructuring costs for the six months ended March 31, 2026); prior year amounts were $9 and $11, respectively (of which $1 was reported as restructuring costs). Corporate and other for the three and six months ended March 31, 2026 included acquisition/divestiture fees and related costs of $7 and $14, respectively; prior year amounts were $160 and $179, respectively.

Additional segment financial information is presented in the tables below:
Total AssetsDepreciation and Amortization
As of Sept. 30,As of March 31,Three Months Ended March 31,Six Months Ended March 31,
2025 2026 2025 2026 2025 2026 
Control Systems & Software$8,809 8,673 $148 125 $297 246 
Test & Measurement15,948 15,844 119 120 237 240 
Software & Systems24,757 24,517 267 245 534 486 
Sensors4,253 4,303 32 34 62 67 
Final Control7,605 7,659 56 58 112 114 
Intelligent Devices11,858 11,962 88 92 174 181 
Safety & Productivity1,931 1,922 18 19 37 39 
Corporate and other3,418 3,687 11 13 22 22 
     Total$41,964 42,088 $384 369 $767 728 
Sales by geographic destination, Americas, Asia, Middle East & Africa ("AMEA") and Europe, are summarized below: