XML 189 R173.htm IDEA: XBRL DOCUMENT v3.22.4

Derivative Financial Instruments and Risk Management Policies - Evolution of Derivative Instruments (Details) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Derivative Assets/ Liabilities, Net [Roll Forward]
Gain (loss) on derivative	€ 1,012	€ 1,573
Currency swaps
Derivative Assets/ Liabilities, Net [Roll Forward]
Gain (loss) on derivative	638	188
Derivative instruments
Derivative Assets/ Liabilities, Net [Roll Forward]
Opening balance of assets/(liabilities)	1,573	13
Financing payments	715	34
Financing proceeds	(89)	89
Interest (proceeds)/payments	283	(91)
Other (proceeds)/payments	(17)	(31)
Fair value adjustments through other comprehensive income	1,031	1,733
Movements with counterparty in the income statement	(2,649)	(538)
Translation differences	169	393
Other movements	(4)	(29)
Closing balance of assets/(liabilities)	1,012	1,573
Increase in financial assets	€ 561	€ (1,560)

X

- Definition

The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 85
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_85&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The increase (decrease) in financial assets. [Refer: Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2022-03-24
-Paragraph 35H
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35H&doctype=Standard
-URIDate 2022-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2022-03-24
-Paragraph 35I
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35I&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_IncreaseDecreaseInFinancialAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Derivative Asset (Liability), Net

+ References

No definition available.

+ Details

Name:	tef_DerivativeAssetLiabilityNet
Namespace Prefix:	tef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Derivative Assets/ Liabilities, Net [Roll Forward]

+ References

No definition available.

+ Details

Name:	tef_DerivativeAssetsLiabilitiesNetRollForward
Namespace Prefix:	tef_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair Value Adjustments Through Other Comprehensive Income of Financial Instruments

+ References

No definition available.

+ Details

Name:	tef_FairValueAdjustmentsThroughOtherComprehensiveIncomeofFinancialInstruments
Namespace Prefix:	tef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Financing Payments of Financial Instruments

+ References

No definition available.

+ Details

Name:	tef_FinancingPaymentsofFinancialInstruments
Namespace Prefix:	tef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Financing Proceeds of Financial Instruments

+ References

No definition available.

+ Details

Name:	tef_FinancingProceedsofFinancialInstruments
Namespace Prefix:	tef_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Increase (decrease) through movements with counterparty, financial instruments

+ References

No definition available.

+ Details

Name:	tef_Increasedecreasethroughmovementswithcounterpartyfinancialinstruments
Namespace Prefix:	tef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Increase (decrease) through other movements, financial instruments

+ References

No definition available.

+ Details

Name:	tef_Increasedecreasethroughothermovementsfinancialinstruments
Namespace Prefix:	tef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Increase (decrease) through translation differences, financial instruments

+ References

No definition available.

+ Details

Name:	tef_Increasedecreasethroughtranslationdifferencesfinancialinstruments
Namespace Prefix:	tef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Interest (Proceeds) / Payments of Financial Instruments

+ References

No definition available.

+ Details

Name:	tef_InterestProceedsPaymentsofFinancialInstruments
Namespace Prefix:	tef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Other (Proceeds) / Payments of Financial Instruments

+ References

No definition available.

+ Details

Name:	tef_OtherProceedsPaymentsofFinancialInstruments
Namespace Prefix:	tef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	ifrs-full_TypesOfHedgesAxis=ifrs-full_CurrencySwapContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_DerivativesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: