Principal amount of debt matured.

No definition available.

Name:	amx_PrincipalAmountOfDebtMatured
Namespace Prefix:	amx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Tax withholding percentage.

+ References

No definition available.

+ Details

Name:	amx_TaxWithholdingPercentage
Namespace Prefix:	amx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard
-URIDate 2023-03-23

+ Details

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

- Definition

The weighted average of interest and other costs that an entity incurs in connection with the borrowing of funds applicable to the borrowings of the entity that are outstanding during the period, other than borrowings made specifically for the purpose of obtaining a qualifying asset. [Refer: Weighted average [member]; Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 23
-IssueDate 2023-01-01
-Paragraph 26
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=23&code=ifrs-tx-2023-en-r&anchor=para_26_b&doctype=Standard
-URIDate 2023-03-23

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of commercial paper issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_CommercialPapersIssued
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

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

- Definition

The amount of loans received.

+ References

+ Details

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

- Details

Name:	srt_CurrencyAxis=currency_EUR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=amx_TelekomAustriaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=amx_LineOfCredit1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	amx_BorrowingsByNameOneAxis=amx_CommercialPaperOneTwoThreeAndFourMaturingInTwoThousandAndTwentyThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	ifrs-full_BorrowingsByNameAxis=amx_FixedRateSeniorNotesInterestRateThreePointTwoFiveNineMaturing2023Member
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	ifrs-full_GeographicalAreasAxis=country_MX
Namespace Prefix:
Data Type:	na
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Debt - Additional Information (Detail) $ in Thousands, € in Millions, $ in Millions		9 Months Ended	12 Months Ended
	Jul. 21, 2023 EUR (€)	Sep. 30, 2023 MXN ($)	Dec. 31, 2022 MXN ($)	Sep. 30, 2023 EUR (€)	Sep. 30, 2023 USD ($)	Aug. 31, 2020 EUR (€)
Disclosure of detailed information about borrowings [line items]
Weighted average cost of borrowed funds		5.98%	5.38%
Subtotal lines of credit and others		$ 507,043,629	$ 510,589,480
Euros [member]
Disclosure of detailed information about borrowings [line items]
Subtotal lines of credit and others		114,882,469	129,358,533
Revolving Syndicated Credit Facility One [member]
Disclosure of detailed information about borrowings [line items]
Loan amount					$ 1,500
Revolving Syndicated Credit Facility Two [member]
Disclosure of detailed information about borrowings [line items]
Loan amount					$ 2,500
Syndicated revolving credit facilities [member] \| Telekom Austria [member] \| Euros [member]
Disclosure of detailed information about borrowings [line items]
Loan amount \| €				€ 1,000
Lines of credit [member]
Disclosure of detailed information about borrowings [line items]
Subtotal lines of credit and others		12,653,000	71,560,000
Lines of credit [member] \| Euros [member]
Disclosure of detailed information about borrowings [line items]
Subtotal lines of credit and others		12,652,574	17,052,458
Commercial Paper [member] \| Commercial Paper One Two Three And Four Maturing In Two Thousand And Twenty Three [Member]
Disclosure of detailed information about borrowings [line items]
Commercial papers issued		12,315,000				€ 2,000
Line of credit and others [member]
Disclosure of detailed information about borrowings [line items]
Subtotal lines of credit and others		$ 76,953,819	71,560,463
Fixed rate senior notes interest rate 3.259% maturing 2023 [member] \| Euros [member]
Disclosure of detailed information about borrowings [line items]
Subtotal lines of credit and others			$ 15,587,256
Principal amount of debt matured \| €	€ 750
Mexico [member]
Disclosure of detailed information about borrowings [line items]
Commissions or the reimbursements for Mexican tax withholdings		4.90%