Non-controlling Interests - Narrative (Details) $ in Millions	12 Months Ended
Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($)
Noncontrolling Interest [Line Items]
Conversion ratio	1.25
Increase as a result of exchanges of LLC Units	$ 1	$ 43	$ 33
LLC units purchased \| shares		0
Carvana Group
Noncontrolling Interest [Line Items]
Ownership percentage by Carvana Co.	55.90%
Ownership percentage by existing unitholders	44.10%
Additional Paid-in Capital
Noncontrolling Interest [Line Items]
Adjustments to non-controlling interests	$ (1)	$ (43)	(33)
Increase as a result of exchanges of LLC Units	1	43	33
Additional Paid-in Capital \| Follow On Public Offering
Noncontrolling Interest [Line Items]
Adjustments to non-controlling interests	554	644	644
Non-controlling Interests
Noncontrolling Interest [Line Items]
Adjustments to non-controlling interests	1	$ 43	33
Non-controlling Interests \| Follow On Public Offering
Noncontrolling Interest [Line Items]
Adjustments to non-controlling interests	$ (554)		$ (644)

Common Stock, Conversion Ratio

No definition available.

Name:	cvna_CommonStockConversionRatio
Namespace Prefix:	cvna_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

LLC Units Purchased

+ References

No definition available.

+ Details

Name:	cvna_LLCUnitsPurchased
Namespace Prefix:	cvna_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Noncontrolling Interest, Increase As A Result Of Exchanges Of LLC Units

+ References

No definition available.

+ Details

Name:	cvna_NoncontrollingInterestIncreaseAsAResultOfExchangesOfLLCUnits
Namespace Prefix:	cvna_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 23
-URI https://asc.fasb.org/extlink&oid=126929396&loc=SL4569655-111683

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 24
-URI https://asc.fasb.org/extlink&oid=126929396&loc=SL4616395-111683

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

Name:	us-gaap_MinorityInterestDecreaseFromRedemptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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

- Details

Name:	srt_OwnershipAxis=cvna_CarvanaGroupMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_AdditionalPaidInCapitalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=cvna_FollowOnPublicOfferingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_NoncontrollingInterestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: