XML 112 R96.htm IDEA: XBRL DOCUMENT
v3.22.4

Accounting Policies - Inventories (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022
Disclosure Of Significant Accounting Policies [Abstract] |
Audio-visual rights, consumption period | 12 months
Own content, maximum production cycle period | 36 months
Own content, maximum income statement charge period | 36 months

X
- Definition Disclosure Of Significant Accounting Policies [Abstract] + References No definition available. + Details
Name: | tef_DisclosureOfSignificantAccountingPoliciesAbstract
Namespace Prefix: | tef_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Inventories, Audio-Visual Rights, Consumption Period + References No definition available. + Details
Name: | tef_InventoriesAudioVisualRightsConsumptionPeriod
Namespace Prefix: | tef_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Inventories, Own Content, Maximum Income Statement Charge Period + References No definition available. + Details
Name: | tef_InventoriesOwnContentMaximumIncomeStatementChargePeriod
Namespace Prefix: | tef_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Inventories, Own Content, Maximum Production Cycle Period + References No definition available. + Details
Name: | tef_InventoriesOwnContentMaximumProductionCyclePeriod
Namespace Prefix: | tef_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration