Line of Credit, Minimum Liquidity To Be Maintained

No definition available.

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Namespace Prefix:	pltr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ 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

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

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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

- Definition

Amount of increase (decrease) of the credit facility.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
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-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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+ Details

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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

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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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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Debt - Additional Information (Detail) - Line of Credit - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2022	Jul. 01, 2022
2014 Revolving Credit Facility
Short-Term Debt [Line Items]
Debt instrument maximum borrowing capacity		$ 950,000,000
Revolving Credit Facility \| 2014 Revolving Credit Facility
Short-Term Debt [Line Items]
Debt instrument maximum borrowing capacity	$ 500,000,000
Line of credit facility commitment fee percentage		0.30%
Debt instrument carrying amount		$ 0
Undrawn revolving credit facility amount		950,000,000
Line of credit minimum liquidity to be maintained		$ 50,000,000
Revolving Credit Facility \| 2014 Revolving Credit Facility \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Short-Term Debt [Line Items]
Basis spread on variable rate		2.00%
Revolving Credit Facility \| 2014 Revolving Credit Facility \| Base Rate
Short-Term Debt [Line Items]
Basis spread on variable rate		1.00%
Revolving Credit Facility \| March 2022 Amendment
Short-Term Debt [Line Items]
Increase in borrowing capacity	$ 100,000,000
Secured Debt \| July 2022 Amendment
Short-Term Debt [Line Items]
Debt instrument face amount			$ 450,000,000