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Changes in Accounting Policies Required by the Initial Application of IFRS 9, IFRS 15 and IFRS 16 - Contract Costs (Details) - Costs to obtain contract with customers - MXN ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Contract Costs
Beginning balance	$ 3,370,659	$ 3,385,204
Additions	1,770,479	1,395,424
Amortization	(1,449,901)	(1,409,969)
Ending balance	3,691,237	3,370,659
Current Contract Costs	1,379,400	1,142,956
Total Non-current Contract Costs	2,311,837	2,227,703
Cable
Contract Costs
Beginning balance	1,133,727	932,664
Additions	753,473	594,658
Amortization	(450,442)	(393,595)
Ending balance	1,436,758	1,133,727
Current Contract Costs	477,167	233,166
Total Non-current Contract Costs	959,591	900,561
Sky
Contract Costs
Beginning balance	2,236,932	2,452,540
Additions	1,017,006	800,766
Amortization	(999,459)	(1,016,374)
Ending balance	2,254,479	2,236,932
Current Contract Costs	902,233	909,790
Total Non-current Contract Costs	$ 1,352,246	$ 1,327,142

X

- Definition

The amount of amortisation for assets recognised from the costs incurred to obtain or fulfil contracts with customers. [Refer: Assets recognised from costs to obtain or fulfil contracts with customers; Amortisation expense]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2019-01-01
-Paragraph 128
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2019-en-r&anchor=para_128_b&doctype=Standard
-URIDate 2019-03-27

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X

- Definition

The amount of assets recognised from the costs to obtain or fulfil contracts with customers. The costs to obtain a contract with a customer are the incremental costs of obtaining the contract that the entity would not have incurred if the contract had not been obtained. The costs to fulfil a contract with a customer are the costs that relate directly to a contract or to an anticipated contract that the entity can specifically identify.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2019-01-01
-Paragraph 128
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2019-en-r&anchor=para_128_a&doctype=Standard
-URIDate 2019-03-27

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- Definition

Amount of increase in assets recognised from costs to obtain or fulfil contracts with customers.

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- Definition

The amount of current assets recognised from the costs to obtain or fulfil contracts with customers. The costs to obtain a contract with a customer are the incremental costs of obtaining the contract that the entity would not have incurred if the contract had not been obtained. The costs to fulfil a contract with a customer are the costs that relate directly to a contract or to an anticipated contract that the entity can specifically identify.

+ References

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- Definition

The amount of non-current assets recognised from the costs to obtain or fulfil contracts with customers. The costs to obtain a contract with a customer are the incremental costs of obtaining the contract that the entity would not have incurred if the contract had not been obtained. The costs to fulfil a contract with a customer are the costs that relate directly to a contract or to an anticipated contract that the entity can specifically identify.

+ References

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