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Goodwill - Perpetuity Growth Rate Applied to Cash Flow Projections (Details)	Dec. 31, 2023	Dec. 31, 2022
Telefónica Spain
Disclosure of detailed information about intangible assets [line items]
Growth rate applied to cash flow projections (as a percent)	0.80%	0.80%
Telefónica Brazil
Disclosure of detailed information about intangible assets [line items]
Growth rate applied to cash flow projections (as a percent)	4.00%	4.50%
Telefónica Germany
Disclosure of detailed information about intangible assets [line items]
Growth rate applied to cash flow projections (as a percent)	1.00%	1.00%

X

- Definition

The growth rate used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2023-01-01
-Paragraph 134
-Subparagraph d
-Clause iv
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-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2023-01-01
-Paragraph 134
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-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_134_e_iv&doctype=Standard
-URIDate 2023-03-23

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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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