Debt interest amount.

No definition available.

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Balance Type:	debit
Period Type:	duration

- Definition

Debt principal amount.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Disclosure Of Notes Receivable Government Bonds And Other Non Current Assets [Line Items]

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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- Definition

Financial Arrangement Term

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Series of Development Bonds

+ References

No definition available.

+ Details

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Namespace Prefix:	ck0000932782_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard
-URIDate 2024-03-27

+ Details

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Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The fair value of financial liabilities associated with transferred financial assets that are not derecognised in their entirety. [Refer: Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 42D
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_42D_d&doctype=Standard
-URIDate 2024-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The difference between the fair value of transferred financial assets that have not been derecognised in their entirety and their associated liabilities. [Refer: Financial assets]

+ References

+ Details

Name:	ifrs-full_FairValueOfTransferredFinancialAssetsAssociatedFinancialLiabilitiesThatAreNotDerecognisedInTheirEntirety
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The fair value of transferred financial assets that are not derecognised in their entirety. [Refer: Financial assets]

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of financial assets at amortised cost. The amortised cost is the amount at which financial assets are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount, and adjusted for any impairment. [Refer: Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 8
-Subparagraph f
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_8_f&doctype=Standard
-URIDate 2024-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of interest income on debt instruments held. [Refer: Interest income; Debt instruments held]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2024-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The non-current portion of non-current borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

+ Details

Name:	ifrs-full_NotionalAmount
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Details

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- Details

Name:	ifrs-full_BorrowingsByNameAxis=ck0000932782_GovernmentBondsMember
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- Details

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- Details

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- Details

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Government Bonds, And Other Assets - Additional Information (Detail) $ in Thousands		3 Months Ended		12 Months Ended
	Nov. 20, 2020 MXN ($)	Mar. 31, 2025 MXN ($) serie	Mar. 31, 2024 MXN ($)	Dec. 31, 2024 MXN ($) serie	Nov. 19, 2020 MXN ($)
Disclosure Of Notes Receivable Government Bonds And Other Non Current Assets [Line Items]
Long-term debt, net of current portion		$ 1,491,671,159		$ 1,553,553,738
Financial arrangement, term	3 years
Mexican Government
Disclosure Of Notes Receivable Government Bonds And Other Non Current Assets [Line Items]
Interest income		980,870	$ 1,928,811
Government Bonds
Disclosure Of Notes Receivable Government Bonds And Other Non Current Assets [Line Items]
Principal amount of debt		30,489,618		34,006,893	$ 128,786,611
Long-term debt, net of current portion		30,542,229		34,357,836	$ 95,597,610
Fair value of the transferred assets		32,192,859		35,279,002
Fair value of associated financial liabilities		30,420,529		33,941,600
Fair value of transferred financial assets and associated financial liabilities, Net		1,772,330		1,337,402
Interest		$ 52,611		$ 350,943
Government Bonds \| Fifteen Series of Development Bonds
Disclosure Of Notes Receivable Government Bonds And Other Non Current Assets [Line Items]
Number of series of development bonds \| serie		4
Financial assets at amortised cost		$ 31,759,990
Government Bonds \| Seventeen Series of Development Bonds
Disclosure Of Notes Receivable Government Bonds And Other Non Current Assets [Line Items]
Number of series of development bonds \| serie				5
Financial assets at amortised cost				$ 35,778,918
Government Bonds \| Financing income
Disclosure Of Notes Receivable Government Bonds And Other Non Current Assets [Line Items]
Interest income		$ 620,211	$ 1,407,533
Government Bonds \| Three Year Financing Arrangement
Disclosure Of Notes Receivable Government Bonds And Other Non Current Assets [Line Items]
Notional amount of debt issued	$ 95,597,610
Interest rate	8.56275%