DESCRIPTION OF THE PLAN - Narrative (Details) - EBP 011	12 Months Ended
Dec. 31, 2025 USD ($) yr loan	Dec. 31, 2024 USD ($)
EBP, Description of Plan [Line Items]
Participant contribution, pretax, maximum annual compensation to total compensation, percentage	50.00%
Participant contribution, maximum annual compensation to total compensation, percentage	16.00%
Participant contribution, after tax, maximum annual contribution to eligible compensation, percentage	10.00%
Participant contribution, automatic, deferral rate	3.00%
Participant compensation, minimum service period	30 days
Matching percentage	50.00%
Participant compensation matched, percentage	7.00%
Investment contribution, minimum increment, percent	1.00%
Employer contribution vesting, percentage	100.00%
Vesting period	3 years
Still employed participant age for distribution \| yr	65
Note receivable from participant, minimum borrowing amount	$ 1,000
Note receivable from participant, maximum borrowing amount	$ 50,000
Note receivable from participant, account, maximum borrowing, to total account, percentage	50.00%
Basis spread on variable rate	1.00%
Note receivable from participant account borrowing, term one	12 months
Note receivable from participant account borrowing, term two	24 months
Note receivable from participant account borrowing, term three	36 months
Note receivable from participant account borrowing, term four	48 months
Note receivable from participant account borrowing, term five	60 months
Note receivable from participant account borrowing, term six	120 months
Forfeited nonvested account	$ 8,720	$ 11,950
Maximum number of loans outstanding \| loan	2
Decrease in expenses from forfeited nonvested accounts	$ 11,608	$ 0
Withdrawals and distribution, cash-out limit	$ 100,000

EBP, Employer Contribution Vesting Percentage

No definition available.

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- Definition

EBP, Employer Contribution Vesting Service Period

+ References

No definition available.

+ Details

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- Definition

EBP, Investment Contribution, Minimum Increment, Percent

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Maximum Number Of Loans Outstanding

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

EBP, Note Receivable From Participant Account Borrowing, Term One

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
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Period Type:	duration

- Definition

EBP, Participant Contribution, After Tax, Maximum Annual Contribution to Eligible Compensation, Percentage

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Participant Contribution, Maximum Annual Compensation to Total Compensation, Percentage

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

EBP, Participant Loan, Basis Spread On Variable Rate

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Requisite Service Period

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Still Employed Participant Age For Distribution

+ References

No definition available.

+ Details

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Namespace Prefix:	rok_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Withdrawals And Distribution, Cash-out Limit

+ References

No definition available.

+ Details

Name:	rok_EBPWithdrawalsAndDistributionCashOutLimit
Namespace Prefix:	rok_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Note Receivable From Participant Account Borrowing, Term Five

+ References

No definition available.

+ Details

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Namespace Prefix:	rok_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Note Receivable From Participant Account Borrowing, Term Four

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Note Receivable From Participant Account Borrowing, Term Six

+ References

No definition available.

+ Details

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- Definition

Note Receivable From Participant Account Borrowing, Term Three

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
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- Definition

Note Receivable From Participant Account Borrowing, Term Two

+ References

No definition available.

+ Details

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of employer matching contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

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Period Type:	duration

- Definition

Percentage of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of plan asset, in forfeited nonvested account, no longer allocated to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (j)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of decrease in forfeited nonvested account of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from administrative expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (j)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-04(5)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance.

+ References

+ Details

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- Definition

Amount of minimum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

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- Definition

Percentage of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation.

+ References

+ Details

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- Details

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