Grants Agreement, Payment Period

No definition available.

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- Definition

Grants, Potential Remaining Contributions

+ References

No definition available.

+ Details

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- Definition

Increase (Decrease) In Operating Lease, Liability, Noncurrent

+ References

No definition available.

+ Details

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- Definition

Increase (Decrease) In Operating Lease, Right-Of-Use Asset

+ References

No definition available.

+ Details

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- Definition

Lessee, Operating Lease, Initial Base Rent Expense Per Month

+ References

No definition available.

+ Details

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- Definition

Lessee, Operating Lease, Number Of Phases

+ References

No definition available.

+ Details

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- Definition

Lessee, Operating Lease, Tenant Improvement Allowance

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Lessee, Operating Lease, Term Of Contract, Period After Date Phase One Delivered

+ References

No definition available.

+ Details

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- Definition

Lessee, Operating Lease, Term Of Rent Abatement Per Phase, Following Rent Commencement Date

+ References

No definition available.

+ Details

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- Definition

Long-Term Purchase Commitment, Incurred Cost

+ References

No definition available.

+ Details

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- Definition

Loss Contingency, Number Of Additional Plaintiffs

+ References

No definition available.

+ Details

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- Definition

Loss Contingency, Number Of Current And Former Officers And Directors

+ References

No definition available.

+ Details

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- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980

+ Details

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

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918673-209980

+ Details

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

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

- 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

No definition available.

+ Details

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- Definition

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

+ Details

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

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

+ Details

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- Details

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- Details

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- Details

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Commitments and Contingencies (Details) $ in Millions			1 Months Ended			3 Months Ended		9 Months Ended
Commitments and Contingencies (Details) $ in Millions	Feb. 15, 2023 plaintiff officerAndDirector	Aug. 25, 2021 USD ($) ft² phase	Jul. 31, 2022 USD ($)	Feb. 29, 2020	Nov. 30, 2019 USD ($)	Jan. 31, 2023 USD ($) phase	Jan. 31, 2022 USD ($)	Jan. 31, 2023 USD ($) phase	Jan. 31, 2022 USD ($)	Apr. 30, 2022 USD ($)
Long-term Purchase Commitment [Line Items]
Lease, area under lease \| ft²		283,015
Lease, total undiscounted base rent payments over term of lease		$ 103.1
Lease, term of rent abatement per phase, following rent commencement date		6 months
Lease, monthly base rent		$ 0.5
Lessee, tenant improvement allowance		$ 44.2
Lease, term		126 months
Lease, period after date phase one delivered		9 months
Lease, number of phases \| phase		2				3		3
Operating lease, liability		$ 26.5				$ 23.7		$ 23.7
Operating lease, right-of-use assets		26.5				20.3		20.3
Decrease in right-of-use asset						2.7
Decrease in lease liability						2.7
Subsequent Event \| The Reckstin Family Trust v. C3.ai, Inc. \| Pending Litigation
Long-term Purchase Commitment [Line Items]
Number of additional plaintiffs \| plaintiff	3
Number of current and former officers and directors \| officerAndDirector	4
Landlord \| Letter of Credit \| Line of Credit
Long-term Purchase Commitment [Line Items]
Letter of credit outstanding		12.6
Maximum
Long-term Purchase Commitment [Line Items]
Lease, monthly base rent		$ 1.0
C3.ai DTI Grants Program
Long-term Purchase Commitment [Line Items]
Grants, payment period				5 years
Grants, potential remaining contributions						31.6		31.6		$ 31.6
Web-Hosting Services, November 2019-November 2022
Long-term Purchase Commitment [Line Items]
Purchase commitment					$ 30.0
Purchase commitment, term					3 years
Purchase commitment, incurred cost						3.7	$ 3.8	11.7	$ 10.4
Web-Hosting Services, November 2020
Long-term Purchase Commitment [Line Items]
Purchase commitment					$ 10.0
Web-Hosting Services, November 2021
Long-term Purchase Commitment [Line Items]
Purchase commitment					10.0
Web-Hosting Services, November 2022
Long-term Purchase Commitment [Line Items]
Purchase commitment					$ 10.0
Cloud Services, July 2022-July 2025
Long-term Purchase Commitment [Line Items]
Purchase commitment			$ 100.0
Purchase commitment, term			3 years
Purchase commitment, incurred cost						$ 2.3		$ 3.9