Revenue Recognition - Additional Information (Details 1) $ in Millions	Mar. 31, 2023 USD ($)
Disaggregation of Revenue [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 9,830
Transaction price allocated to performance obligations to be satisfied during remaining fiscal 2023	2,080
Transaction price allocated to performance obligations to be satisfied during fiscal 2024	2,760
Transaction price allocated to performance obligations to be satisfied revenue after fiscal 2024	$ 4,990

Amount of transaction price allocated to performance obligations expected to be satisfied during subsequent fiscal year.

No definition available.

+ Details

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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_
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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
Balance Type:	credit
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- References

No definition available.

+ Details

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045

+ Details

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