XML 190 R109.htm IDEA: XBRL DOCUMENT v3.8.0.1

Commitments and Contingencies - Schedule of Commitments (Detail) - Dec. 31, 2017 $ in Thousands, $ in Thousands	MXN ($)	USD ($)
Disclosure of commitments [line items]
Contractual commitments	$ 13,186,926	$ 666,454
2018 [member]
Disclosure of commitments [line items]
Contractual commitments	11,920,981
1 to 3 years [member]
Disclosure of commitments [line items]
Contractual commitments	$ 1,265,945

X

- Definition

Line items abstract of disclosure of commitments.

+ References

No definition available.

+ Details

Name:	amx_DisclosureOfCommitmentsLineItems
Namespace Prefix:	amx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of contractual commitments for the acquisition of property, plant and equipment. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2017-01-01
-Paragraph 74
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_74_c&doctype=Standard
-URIDate 2017-03-09

+ Details

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

X

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: