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Long-term incentive plans based on Telefónica, S.A. shares - Narrative (Details) |  |  |  |  | 1 Months Ended | 12 Months Ended | 36 Months Ended
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Apr. 12, 2024 cycle | Apr. 08, 2022 EUR (€) | Apr. 23, 2021 cycle | Mar. 17, 2021 cycle | Mar. 31, 2024 employee | Dec. 31, 2024 shares | Dec. 31, 2023 shares | Dec. 31, 2022 | Dec. 31, 2021 model | Dec. 31, 2026 shares | Dec. 31, 2025 shares | Dec. 31, 2024 shares | Dec. 31, 2023 shares | Dec. 30, 2023 shares
FCF objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average payment coefficient (as a percent) |  |  |  |  |  | 40.00% | 40.00% | 40.00% |  |  |  |  |  |
Performance Share Plan 2021-2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery percent (fulfillment of TSR objective, in percentage) |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |
Delivery percent (free cash flow generation, maximum compliance, in percentage) |  |  | 40.00% |  |  |  |  |  |  |  |  |  |  |
Delivery percent (CO2 emissions neutralization, maximum compliance) |  |  | 10.00% |  |  |  |  |  |  |  |  |  |  |
Award vesting period |  |  | 5 years |  |  |  |  |  | 5 years |  |  |  |  |
Number of independent cycles |  |  | 3 |  |  |  |  |  | 3 |  |  |  |  |
Period in force of each cycle |  |  | 3 years |  |  |  |  |  | 3 years |  |  |  |  |
Performance Share Plan 2024-2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery percent (fulfillment of TSR objective, in percentage) | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery percent (free cash flow generation, maximum compliance, in percentage) | 40.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery percent (CO2 emissions neutralization, maximum compliance) | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery percent (women in executive positions compliance, in percentage) | 0.05 |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting period | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |
Number of independent cycles | cycle | 3 |  |  |  |  |  |  |  |  |  |  |  |  |
Period in force of each cycle | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Talent for the Future Share Plan 2021-2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery percent (fulfillment of TSR objective, in percentage) |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |
Delivery percent (free cash flow generation, maximum compliance, in percentage) |  |  |  | 40.00% |  |  |  |  |  |  |  |  |  |
Delivery percent (CO2 emissions neutralization, maximum compliance) |  |  |  | 10.00% |  |  |  |  |  |  |  |  |  |
Award vesting period |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |
Number of independent cycles | cycle |  |  |  | 3 |  |  |  |  |  |  |  |  |  |
Global Employee Share Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum amount of shares an employee is allowed to purchase | € |  | € 1,800 |  |  |  |  |  |  |  |  |  |  |  |
Maximum number of shares an employee is allowed to purchase (in percentage) |  | 0.38% |  |  |  |  |  |  |  |  |  |  |  |
Number of employees registered | employee |  |  |  |  | 10,255,044 |  |  |  |  |  |  |  |  |
Talent For The Future Share Plan 2024-2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery percent (fulfillment of TSR objective, in percentage) | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery percent (free cash flow generation, maximum compliance, in percentage) | 40.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery percent (CO2 emissions neutralization, maximum compliance) | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery percent (women in executive positions compliance, in percentage) | 0.05 |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting period | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |
Number of independent cycles | cycle | 3 |  |  |  |  |  |  |  |  |  |  |  |  |
Period in force of each cycle | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
First cycle | Performance Share Plan 2021-2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 19,425,499
Number of shares outstanding (shares) |  |  |  |  |  |  | 17,728,523 |  |  |  |  |  | 17,728,523 |
Weighted-average payment coefficient (as a percent) |  |  |  |  |  | 89.45% |  |  |  |  |  |  |  |
First cycle | Performance Share Plan 2021-2025 | TSR objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  |  | 9,712,749 |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  |  | 8,864,262 |  |  |  |  |  | 8,864,262 |
First cycle | Performance Share Plan 2021-2025 | FCF objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  |  | 7,770,200 |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  |  | 7,091,409 |  |  |  |  |  | 7,091,409 |
First cycle | Performance Share Plan 2021-2025 | C02 E.N. objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  |  | 1,942,550 |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  |  | 1,772,852 |  |  |  |  |  | 1,772,852 |
First cycle | Performance Share Plan 2024-2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 15,317,175 |  |  |  |  |  | 15,317,175 |  |
First cycle | Performance Share Plan 2024-2028 | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  |  |  |  |  | 15,353,759 |  |  |  |
First cycle | Talent for the Future Share Plan 2021-2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  |  |  |  |  |  |  |  | 1,751,500 |
Number of shares outstanding (shares) |  |  |  |  |  |  | 1,557,000 |  |  |  |  |  | 1,557,000 |
Weighted-average payment coefficient (as a percent) |  |  |  |  |  | 89.45% |  |  |  |  |  |  |  |
First cycle | Talent for the Future Share Plan 2021-2025 | TSR objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 875,750 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 778,500 |  |  |  |  |  | 778,500 |  |
First cycle | Talent for the Future Share Plan 2021-2025 | FCF objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 700,600 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 622,800 |  |  |  |  |  | 622,800 |  |
First cycle | Talent for the Future Share Plan 2021-2025 | C02 E.N. objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 175,150 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 155,700 |  |  |  |  |  | 155,700 |  |
First cycle | Talent For The Future Share Plan 2024-2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  |  |  |  |  | 1,530,500 |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 1,513,500 |  |  |  |  |  | 1,513,500 |  |
First cycle | Talent For The Future Share Plan 2024-2028 | TSR objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 765,250 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 756,750 |  |  |  |  |  | 756,750 |  |
First cycle | Talent For The Future Share Plan 2024-2028 | FCF objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 612,200 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 605,400 |  |  |  |  |  | 605,400 |  |
First cycle | Talent For The Future Share Plan 2024-2028 | C02 E.N. objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 76,525 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 75,675 |  |  |  |  |  | 75,675 |  |
First cycle | Talent For The Future Share Plan 2024-2028 | Women managers |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 76,525 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 75,675 |  |  |  |  |  | 75,675 |  |
Second cycle | Performance Share Plan 2021-2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  |  |  |  |  |  |  | 15,069,650 |  |
Number of shares outstanding (shares) |  |  |  |  |  | 13,851,509 |  |  |  |  |  | 13,851,509 |  |
Weighted-average payment coefficient (as a percent) |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |
Second cycle | Performance Share Plan 2021-2025 | TSR objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 7,534,825 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 6,925,755 |  |  |  |  |  | 6,925,755 |  |
Second cycle | Performance Share Plan 2021-2025 | FCF objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 6,027,860 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 5,540,604 |  |  |  |  |  | 5,540,604 |  |
Second cycle | Performance Share Plan 2021-2025 | C02 E.N. objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 1,506,965 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 1,385,150 |  |  |  |  |  | 1,385,150 |  |
Second cycle | Talent for the Future Share Plan 2021-2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  |  |  |  |  |  |  | 1,646,500 |  |
Number of shares outstanding (shares) |  |  |  |  |  | 1,458,000 |  |  |  |  |  | 1,458,000 |  |
Weighted-average payment coefficient (as a percent) |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |
Second cycle | Talent for the Future Share Plan 2021-2025 | TSR objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 823,250 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 729,000 |  |  |  |  |  | 729,000 |  |
Second cycle | Talent for the Future Share Plan 2021-2025 | FCF objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 658,600 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 583,200 |  |  |  |  |  | 583,200 |  |
Second cycle | Talent for the Future Share Plan 2021-2025 | C02 E.N. objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 164,650 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 145,800 |  |  |  |  |  | 145,800 |  |
Third cycle | Performance Share Plan 2021-2025 | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  |  |  |  |  |  | 16,618,564 |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 15,856,658 |  |  |  |  |  | 15,856,658 |  |
Third cycle | Performance Share Plan 2021-2025 | TSR objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 8,309,282 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 7,928,329 |  |  |  |  |  | 7,928,329 |  |
Third cycle | Performance Share Plan 2021-2025 | FCF objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 6,647,426 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 6,342,664 |  |  |  |  |  | 6,342,664 |  |
Third cycle | Performance Share Plan 2021-2025 | C02 E.N. objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 1,661,856 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 1,585,665 |  |  |  |  |  | 1,585,665 |  |
Third cycle | Performance Share Plan 2024-2028 | TSR objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 7,676,879 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 7,658,587 |  |  |  |  |  | 7,658,587 |  |
Third cycle | Performance Share Plan 2024-2028 | FCF objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 6,141,504 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 6,126,870 |  |  |  |  |  | 6,126,870 |  |
Third cycle | Performance Share Plan 2024-2028 | C02 E.N. objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 767,688 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 765,859 |  |  |  |  |  | 765,859 |  |
Third cycle | Performance Share Plan 2024-2028 | Women managers |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 767,688 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 765,859 |  |  |  |  |  | 765,859 |  |
Third cycle | Talent for the Future Share Plan 2021-2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  |  |  |  |  |  | 1,771,500 |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 1,663,000 |  |  |  |  |  | 1,663,000 |  |
Third cycle | Talent for the Future Share Plan 2021-2025 | TSR objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 885,750 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 831,500 |  |  |  |  |  | 831,500 |  |
Third cycle | Talent for the Future Share Plan 2021-2025 | FCF objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 708,600 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 665,200 |  |  |  |  |  | 665,200 |  |
Third cycle | Talent for the Future Share Plan 2021-2025 | C02 E.N. objective |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares assigned (shares) |  |  |  |  |  | 177,150 |  |  |  |  |  |  |  |
Number of shares outstanding (shares) |  |  |  |  |  | 166,300 |  |  |  |  |  | 166,300 |  |

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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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