Summary Of Income Taxes Information

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of unrecognized tax benefits.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	11 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022	Jan. 31, 2022
Summary Of Income Taxes Information [Line Items]
Change in valuation allowance	$ 8,000	$ 30,300
Unrecognized tax benefits		4,672	$ 4,672
Unrecognized Tax Benefits that Would Impact Effective Tax Rate		0
Domestic Tax Authority [Member]
Summary Of Income Taxes Information [Line Items]
Operating loss carryforwards		230,900
State and Local Jurisdiction [Member]
Summary Of Income Taxes Information [Line Items]
Deferred Tax Assets, Tax Credit Carryforwards, Research		189,400
State and Local Jurisdiction [Member] \| Rigetti Computing, Inc [Member]
Summary Of Income Taxes Information [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, State and Local		168,100
Research Tax Credit Carryforward [Member] \| Domestic Tax Authority [Member]
Summary Of Income Taxes Information [Line Items]
Tax credit carryforwards		2,300
Research Tax Credit Carryforward [Member] \| State and Local Jurisdiction [Member]
Summary Of Income Taxes Information [Line Items]
Tax credit carryforwards		$ 2,300