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Earnings Per Share | 9 Months Ended
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Jun. 30, 2024
Earnings Per Share [Abstract] |
Earnings Per Share | EARNINGS PER SHARE The following table reconciles the numerators and denominators used to calculate basic and diluted earnings per share (in millions):
| Three Months Ended June 30, |  | Nine Months Ended June 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
Net income attributable to Johnson Controls | $ | 975 |  |  | $ | 1,049 |  |  | $ | 1,072 |  |  | $ | 1,300 |
Weighted Average Shares Outstanding |  |  |  |  |  |  |
Basic weighted average shares outstanding | 670.3 |  |  | 683.3 |  |  | 676.7 |  |  | 685.7 |
Effect of dilutive securities: |  |  |  |  |  |  |
Stock options, unvested restricted stock and unvested performance share awards | 2.5 |  |  | 2.9 |  |  | 1.9 |  |  | 3.1 |
Diluted weighted average shares outstanding | 672.8 |  |  | 686.2 |  |  | 678.6 |  |  | 688.8 |
Antidilutive Securities |  |  |  |  |  |  |
Stock options and unvested restricted stock | 0.1 |  |  | 0.2 |  |  | 0.4 |  |  | 0.3 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/260/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-3 + Details
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