Dividend per share, periodic payment.

No definition available.

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Period Type:	duration

- Definition

Legal reserve as a percentage of capital stock..

+ References

No definition available.

+ Details

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- Definition

Legal reserves.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Minimum capital requirements.

+ References

No definition available.

+ Details

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Namespace Prefix:	amx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of treasury shares.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Percentage of net profit to be transferred to reserve fund.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Withholding tax rate on payment of dividend.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
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- 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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Period Type:	duration

- Definition

The amount of dividends paid per ordinary share.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 34
-IssueDate 2023-01-01
-Paragraph 16A
-Subparagraph f
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=34&code=ifrs-tx-2023-en-r&anchor=para_16A_f&doctype=Standard
-URIDate 2023-03-23

+ Details

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of shares issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 106
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_106_d&doctype=Standard
-URIDate 2023-03-23

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 79
-Subparagraph a
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_79_a_iv&doctype=Standard
-URIDate 2023-03-23

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
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- Details

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Balance Type:
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- Details

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Balance Type:
Period Type:

- Details

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- Details

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Shareholders' Equity - Additional Information (Detail) - MXN ($) $ / shares in Units, $ in Thousands					9 Months Ended	12 Months Ended
	Nov. 13, 2023	Jul. 17, 2023	Apr. 27, 2023	Apr. 20, 2022	Sep. 30, 2023	Dec. 31, 2022
Disclosure of classes of share capital [line items]
Capital requirements					$ 238,749
Number of shares issued					63,220,260,000
Number of shares outstanding						63,325,000,000
Number of treasury shares held					341,260,000	56,000,000
Dividends paid			$ 0.46
Periodic payment of dividend	$ 0.23	$ 0.23
Legal reserve					$ 358,440	$ 358,440
Amount of Mexican withholding tax					10.00%
Legal reserve [member]
Disclosure of classes of share capital [line items]
Legal reserve as a percentage of capital stock					20.00%
Bottom of range [member] \| Legal reserve [member]
Disclosure of classes of share capital [line items]
Percentage of net profit to be allocated to legal reserve					5.00%
Capital Stock Class Aa [member]
Disclosure of classes of share capital [line items]
Number of shares outstanding					20,554,697,460	20,554,697,460
Dividends paid				$ 0.44
Capital Stock Class A [member]
Disclosure of classes of share capital [line items]
Number of shares outstanding					488,283,894	488,283,894
Dividends paid				0.44
Capital Stock Class L [member]
Disclosure of classes of share capital [line items]
Number of shares outstanding					42,282,018,646	42,282,018,646
Dividends paid				$ 0.44
Capital Stock Class B [Member]
Disclosure of classes of share capital [line items]
Number of shares outstanding					62,879,000,000