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Revenue Recognition - Additional Information (Details 1) $ in Millions | Mar. 31, 2024 USD ($)
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Disaggregation of Revenue [Abstract] |
Revenue, Remaining Performance Obligation, Amount | $ 11,230
Transaction price allocated to performance obligations to be satisfied during remaining 2024 | 2,550
Transaction price allocated to performance obligations to be satisfied during 2025 | 3,220
Transaction price allocated to performance obligations to be satisfied revenue after 2025 | $ 5,460

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- Definition Amount of transaction price allocated to performance obligations expected to be satisfied during subsequent fiscal year. + References No definition available. + Details
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Namespace Prefix: | osk_
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- Definition Transaction price allocated to performance obligations expected to be satisfied beyond current fiscal year. + References No definition available. + Details
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Namespace Prefix: | osk_
Data Type: | xbrli:monetaryItemType
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Period Type: | instant

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- Definition Transaction price allocated to performance obligations to be satisfied during current fiscal year. + References No definition available. + Details
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Namespace Prefix: | osk_
Data Type: | xbrli:monetaryItemType
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -SubTopic 10 -Topic 606 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-13 + Details
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