Debt Instrument, Accrued Interest

No definition available.

Name:	rivn_DebtInstrumentAccruedInterest
Namespace Prefix:	rivn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Fronting Fee, Percentage

+ References

No definition available.

+ Details

Name:	rivn_DebtInstrumentFrontingFeePercentage
Namespace Prefix:	rivn_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

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+ Details

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

- Definition

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

+ References

+ Details

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

- 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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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

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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.

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+ 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

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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+ Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Period Type:

DEBT - Narrative (Details) - USD ($)	1 Months Ended
DEBT - Narrative (Details) - USD ($)	Apr. 30, 2018	Mar. 31, 2022	Dec. 31, 2021	Oct. 31, 2021	May 31, 2021
Line of Credit Facility [Line Items]
Long-term debt		$ 1,227,000,000	$ 1,226,000,000
Term Facility Agreement \| Line of Credit \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)	4.30%
ABL Facility \| Revolving Credit Facility \| Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity					$ 750,000,000
Long-term debt		0
Remaining borrowing capacity		533,000,000
ABL Facility \| Revolving Credit Facility \| Line of Credit \| LIBOR
Line of Credit Facility [Line Items]
Fronting fee (as a percent)					0.125%
ABL Facility \| Letter of Credit \| Line of Credit
Line of Credit Facility [Line Items]
Letters of credit outstanding, amount		$ 211,000,000
Notes 2026 \| Senior Notes
Line of Credit Facility [Line Items]
Principal amount				$ 1,250,000,000
Stated interest rate (as a percent)		6.63%
Accrued interest		$ 41,000,000	$ 20,000,000