Acquisitions - Narrative (Details) - USD ($) $ in Millions		3 Months Ended
Oct. 01, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Cash	$ 250.0
Business acquisition, percentage of voting interests acquired	53.00%
Noncontrolling interest portion of Rockwell Automation's contributed business	$ 293.8
Schlumberger
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired	47.00%
Sensia
Business Acquisition [Line Items]
Cash	$ 250.0
Finite-lived intangible assets acquired, discount rate	11.00%
Noncontrolling interest portion of Rockwell Automation's contributed business	$ 21.1
Pro forma revenue		$ 1,700.0
Customer Relationships, Technology, Patents \| Sensia
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	$ 254.1
Acquired finite-lived intangible assets, weighted average useful life	11 years
Minimum \| Sensia
Business Acquisition [Line Items]
Customer attrition rate	7.50%
Minimum \| Technology and Trademarks \| Sensia
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life	5 years
Maximum \| Sensia
Business Acquisition [Line Items]
Customer attrition rate	25.00%
Maximum \| Technology and Trademarks \| Sensia
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life	15 years

Finite Lived Intangible Assets Acquired, Customer Attrition Rate

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Finite-Lived Intangible Assets Acquired, Discount Rate

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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