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Basis of Presentation and Accounting Policies (Tables) | 3 Months Ended
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Dec. 31, 2024
Accounting Policies [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table reconciles basic and diluted earnings per share (EPS) amounts (in millions, except per share amounts):
| Three Months Ended December 31,
| 2024 |  | 2023
Net income attributable to Rockwell Automation, Inc. | $ | 184 |  |  | $ | 215 |
Less: Allocation to participating securities | (1) |  |  | (1) |
Net income available to common shareowners | $ | 183 |  |  | $ | 214 |
Basic weighted average outstanding shares | 113.0 |  |  | 114.6 |
Effect of dilutive securities |  |  |
Stock options | 0.5 |  |  | 0.6 |
Diluted weighted average outstanding shares | 113.5 |  |  | 115.2 |
Earnings per share: |  |  |
Basic | $ | 1.62 |  |  | $ | 1.87 |
Diluted | $ | 1.61 |  |  | $ | 1.86 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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