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Goodwill - After-Tax Discount Rates Applied to the Cash Flow Projections (Details) | Dec. 31, 2022 | Dec. 31, 2021
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Telefónica Spain |  |
Disclosure of detailed information about intangible assets [line items] |  |
Before-tax discount rates applied to cash flow projections (as a percent) | 9.00% | 8.50%
After-tax discount rates applied to cash flow projections (as a percent) | 6.90% | 6.50%
Telefónica Brazil |  |
Disclosure of detailed information about intangible assets [line items] |  |
Before-tax discount rates applied to cash flow projections (as a percent) | 16.40% | 15.20%
After-tax discount rates applied to cash flow projections (as a percent) | 12.60% | 12.00%
Telefónica Germany |  |
Disclosure of detailed information about intangible assets [line items] |  |
Before-tax discount rates applied to cash flow projections (as a percent) | 8.00% | 7.20%
After-tax discount rates applied to cash flow projections (as a percent) | 5.70% | 5.20%

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- Definition The discount rate applied to cash flow projections 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 2022-03-24 -Paragraph 134 -Subparagraph d -Clause v -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_134_d_v&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2022-03-24 -Paragraph 134 -Subparagraph e -Clause v -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_134_e_v&doctype=Standard -URIDate 2022-03-24 + Details
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