Debt instrument payment fee, Percentage.

No definition available.

Name:	rgti_DebtInstrumentPaymentFeepercentage
Namespace Prefix:	rgti_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage Of Debt Related Cost Paid Upon The Consummation Of Merger.

+ References

No definition available.

+ Details

Name:	rgti_PercentageOfDebtRelatedCostPaidUponTheConsummationOfMerger
Namespace Prefix:	rgti_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Withdrawn credit facility.

+ References

No definition available.

+ Details

Name:	rgti_WithdrawnCreditFacility
Namespace Prefix:	rgti_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of amortization expense attributable to debt issuance costs.

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+ Details

Name:	us-gaap_AmortizationOfFinancingCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

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+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

+ Details

Name:	us-gaap_DebtInstrumentFrequencyOfPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

+ References

+ Details

Name:	us-gaap_DebtInstrumentPaymentTerms
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt discount.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the charge against earnings during the period for commitment fees and debt issuance expenses.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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+ Details

Name:	us-gaap_InterestExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_LongtermDebtTypeAxis=rgti_LoanAndSecurityAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=rgti_TrancheAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=rgti_VentureCapitalMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
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Period Type:

- Details

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Financing Arrangements - Additional Information (Detail)			3 Months Ended
	Jan. 31, 2022 USD ($)	May 31, 2021 USD ($) shares	Mar. 31, 2022 USD ($) shares	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Line of Credit Facility [Line Items]
Debt issuance costs		$ 2,800,000	$ 1,421,000		$ 1,618,000
Amortization of debt issuance cost			$ 236,000
Class of warrants issued during period \| shares			783,129
Loan and Security Agreement [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		11.00%
Debt instrument payment fee, Percentage		2.75%
Interest expense			$ 1,200,000
Accretion Expense			45,900
Debt Related Commitment Fees				$ 47,500
Amortization of debt issuance cost			200,000
unamortized issuance cost			$ 2,100,000
Loan and Security Agreement [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		17.31%
Loan and Security Agreement [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		16.49%
Tranche A [Member] \| Loan and Security Agreement [Member] \| Venture Capital [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 12,000,000.0
Tranche B [Member] \| Loan and Security Agreement [Member] \| Venture Capital [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 15,000,000.0
Line of Credit Facility, Current Borrowing Capacity		8,000,000.0
Line of Credit Facility, Remaining Borrowing Capacity		7,000,000.0
Withdrawn Credit Facility		$ 7,000,000.0
Class of warrants issued during period \| shares		995,099
Tranche B [Member] \| Loan and Security Agreement [Member] \| Maximum [Member] \| Venture Capital [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Term		48 months
Tranche B [Member] \| Loan and Security Agreement [Member] \| Minimum [Member] \| Venture Capital [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Term		19 months
Tranche C [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	11.00%
Debt Related Commitment Fees	$ 1,000,000.0
Debt Instrument, Face Amount	$ 5,000,000.0
Debt Instrument, Payment Terms	19 months
Debt Instrument, Frequency of Periodic Payment	payable monthly
Debt Instrument, Maturity Date	Feb. 01, 2026
Percentage of debt related cost paid upon the consummation of merger	20