Bank indebtedness.

No definition available.

Name:	ck0000932782_BankIndebtedness
Namespace Prefix:	ck0000932782_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Borrowings term

+ References

No definition available.

+ Details

Name:	ck0000932782_BorrowingsTerm
Namespace Prefix:	ck0000932782_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Revolving Credit Facility Available

+ References

No definition available.

+ Details

Name:	ck0000932782_RevolvingCreditFacilityAvailable
Namespace Prefix:	ck0000932782_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Revolving credit facility outstanding.

+ References

No definition available.

+ Details

Name:	ck0000932782_RevolvingCreditFacilityOutstanding
Namespace Prefix:	ck0000932782_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard
-URIDate 2025-03-27

+ Details

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

- Definition

The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_7&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_BorrowingsAdjustmentToInterestRateBasis
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow from non-current borrowings obtained. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2025-01-01
-Paragraph 17
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_17&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_ProceedsFromNoncurrentBorrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow for repayments of current borrowings. [Refer: Current borrowings]

+ References

+ Details

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

- Details

Name:	ifrs-full_BorrowingsByNameAxis=ck0000932782_PmiTrdDacRevolvingCreditLinesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ck0000932782_SubsequentEvent1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=ifrs-full_FloatingInterestRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=ck0000932782_NominalFixedRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=ifrs-full_FixedInterestRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Subsequent Events - Recent Financing Activities (Narrative) (Details) MXV in Thousands, $ in Thousands, $ in Thousands		4 Months Ended		12 Months Ended
	Mar. 04, 2026 MXN ($)	Apr. 15, 2026 MXN ($)	Apr. 15, 2026 USD ($)	Dec. 31, 2025 USD ($)	Apr. 15, 2026 USD ($)	Feb. 13, 2026 MXN ($)	Feb. 13, 2026 MXV	Jan. 01, 2026 MXN ($)	Jan. 01, 2026 USD ($)	Dec. 31, 2025 MXN ($)	Dec. 31, 2025 USD ($)	Jan. 01, 2025 MXN ($)	Jan. 01, 2025 USD ($)	Dec. 31, 2024 USD ($)
Disclosure of non-adjusting events after reporting period [line items]
Bank indebtedness													$ 5,512,700
Borrowings												$ 143,403,700
Obtain of revolving credit lines				$ 5,508,000
Revolving credit facility available											$ 4,108,000
PMI TRD DAC revolving credit lines
Disclosure of non-adjusting events after reporting period [line items]
Borrowings											$ 206,314			$ 206,314
Repayments of revolving credit lines				$ 740,000
Outstanding of revolving credit lines										$ 206,314
Revolving credit facility available										$ 23,686
Subsequent event
Disclosure of non-adjusting events after reporting period [line items]
Bank indebtedness								$ 160,619,600	$ 5,342,100
Borrowings						$ 31,500,000
Obtain of revolving credit lines		$ 19,000,000	$ 5,508,000
Revolving credit facility available		19,000,000			$ 4,608,000
Subsequent event \| PMI TRD DAC revolving credit lines
Disclosure of non-adjusting events after reporting period [line items]
Repayments of revolving credit lines			$ 260,000
Outstanding of revolving credit lines		$ 206,314
Subsequent event \| Floating interest rate
Disclosure of non-adjusting events after reporting period [line items]
Borrowings	$ 19,000,000					$ 9,005,367
Interest rate basis spread	2.15%					1.80%	1.80%
Borrowings term	28 days
Subsequent event \| Nominal fixed rate
Disclosure of non-adjusting events after reporting period [line items]
Borrowings						$ 16,998,940
Interest rate basis spread						10.80%	10.80%
Subsequent event \| Fixed interest rate
Disclosure of non-adjusting events after reporting period [line items]
Borrowings						$ 5,495,693	MXV 623,243
Interest rate basis spread						5.84%	5.84%