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Appendix II: Board and Senior Management Compensation - Narrative (Details) |  |  |  |  | 1 Months Ended | 12 Months Ended | 36 Months Ended
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Apr. 08, 2022 EUR (€) | Jan. 01, 2020 shares € / shares | Jun. 08, 2018 EUR (€) cycle | Jan. 01, 2018 shares € / shares | May 31, 2016 EUR (€) | Dec. 31, 2022 EUR (€) shares yr | Dec. 31, 2021 employee shares € / shares | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2021 | Dec. 31, 2020
Performance Share Plan |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Number of independent cycles | cycle |  |  | 3 |  |  |  |  |  |  |  |  |
Maximum number of shares allocated to be delivered (in shares) | shares |  |  |  |  |  | 1,241,015 | 1,333,081 |  |  |  |  |
Performance Share Plan 2018-2022 |  |  |  |  |  |  |  |  |  |  |  |
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) |  |  | 50.00% |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |  |
FCF Objective |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average payment coefficient (as a percent) |  |  |  |  |  | 50.00% | 50.00% | 50.00% |  |  |  |
FCF Objective | Performance Share Plan |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Maximum number of shares to be delivered, compliance criteria (in percents) |  | 50.00% |  |  |  |  |  |  |  |  |  |
TSR Objective | Performance Share Plan |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Maximum number of shares to be delivered, compliance criteria (in percents) |  | 50.00% |  |  |  |  |  |  |  |  |  |
First cycle | Performance Share Plan 2018-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Number of independent cycles | cycle |  |  | 3 |  |  |  |  |  |  |  |  |
Weighted-average payment coefficient (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 50.00%
No. of shares assigned (shares) | shares |  |  |  | 8,466,996 |  |  |  |  |  |  |  |
First cycle | PSP - Second Cycle / 2019-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
No. of shares assigned (shares) | € / shares |  | 465,000 |  |  |  |  |  |  |  |  |  |
First cycle | FCF Objective | Performance Share Plan 2018-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average payment coefficient (as a percent) |  |  |  |  |  |  |  | 50.00% | 50.00% | 50.00% |  |
Fair value of shares assigned (EUR per share) | € / shares |  |  |  | € 6.4631 |  |  |  |  |  |  |  |
First cycle | FCF Objective | PSP - Second Cycle / 2019-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Fair value of shares assigned (EUR per share) | € / shares |  | € 3.2136 |  |  |  |  |  |  |  |  |  |
First cycle | TSR Objective | Performance Share Plan 2018-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Fair value of shares assigned (EUR per share) | € / shares |  |  |  | € 4.516 |  |  |  |  |  |  |  |
First cycle | TSR Objective | PSP - Second Cycle / 2019-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Fair value of shares assigned (EUR per share) | € / shares |  | € 1.6444 |  |  |  |  |  |  |  |  |  |
Second Cycle | Performance Share Plan 2018-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average payment coefficient (as a percent) |  |  |  |  |  |  |  |  |  |  | 50.00% |
No. of shares assigned (shares) | shares |  |  |  |  |  |  | 9,471,489 |  |  |  |  |
Second Cycle | FCF Objective | Performance Share Plan 2018-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average payment coefficient (as a percent) |  |  |  |  |  |  | 50.00% | 50.00% | 50.00% |  |  |
Fair value of shares assigned (EUR per share) | € / shares |  |  |  |  |  |  | € 6.1436 |  |  |  |  |
Second Cycle | TSR Objective | Performance Share Plan 2018-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Fair value of shares assigned (EUR per share) | € / shares |  |  |  |  |  |  | € 4.4394 |  |  |  |  |
Directors | PSP - First Cycle / 2021-2024 |  |  |  |  |  |  |  |  |  |  |  |
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 (free cash flow generation, maximum compliance) |  |  |  |  |  | 10.00% |  |  |  |  |  |
Delivery percent (if within median of performance) |  |  |  |  |  | 15.00% |  |  |  |  |  |
Delivery percent (if within third quartile of performance) |  |  |  |  |  | 50.00% |  |  |  |  |  |
Proportion of free cash flow generation minimum threshold of compliance (as a percent) |  |  |  |  |  | 90.00% |  |  |  |  |  |
Proportion of free cash flow generation minimum compliance (as a percent) |  |  |  |  |  | 20.00% |  |  |  |  |  |
Proportion of free cash flow generation maximum threshold of compliance (as a percent) |  |  |  |  |  | 100.00% |  |  |  |  |  |
Proportion of carbon dioxide emission neutralization minimum threshold of compliance (as a percent) |  |  |  |  |  | 90.00% |  |  |  |  |  |
Proportion of carbon dioxide emission neutralization minimum compliance (as a percent) |  |  |  |  |  | 5.00% |  |  |  |  |  |
Proportion of carbon dioxide emission neutralization maximum threshold of compliance (as a percent) |  |  |  |  |  | 100.00% |  |  |  |  |  |
Number of shares delivered under the plan to the Executive Directors and other Participants (in shares) |  |  |  |  |  | 100.00% |  |  |  |  |  |
Holding period for shares delivered under Plan |  |  |  |  |  | 2 years |  |  |  |  |  |
Number of years of gross fixed remuneration based on which the Directors need to maintain an amount of shares | yr |  |  |  |  |  | 2 |  |  |  |  |  |
Required holding period for Executive Directors |  |  |  |  |  | 3 years |  |  |  |  |  |
Amount contributed by each executive director to plan | € 1,800 |  |  |  |  |  |  |  |  |  |  |
Senior Management (Excluding Board Directors) |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Accrued fixed compensation |  |  |  |  |  | € 9,381,900 |  |  |  |  |  |
In-kind compensation |  |  |  |  |  | € 185,657 |  |  |  |  |  |
Senior Management (Excluding Board Directors) | PSP - Second Cycle / 2019-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Shares entitled (in shares) | shares |  |  |  |  |  | 158,381 |  |  |  |  |  |
Senior Management (Excluding Board Directors) | First cycle | Performance Share Plan 2018-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average payment coefficient (as a percent) |  |  |  |  |  |  | 50.00% |  |  |  |  |
No. of shares assigned (shares) | shares |  | 316,762 |  |  |  |  |  |  |  |  |  |
Shares entitled (in shares) | shares |  |  |  |  |  |  | 220,085 |  |  |  |  |
Senior Management (Excluding Board Directors) | First cycle | FCF Objective | Performance Share Plan 2018-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Fair value of shares assigned (EUR per share) | € / shares |  | € 3.2136 |  |  |  |  |  |  |  |  |  |
Senior Management (Excluding Board Directors) | First cycle | TSR Objective | Performance Share Plan 2018-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Fair value of shares assigned (EUR per share) | € / shares |  | € 1.6444 |  |  |  |  |  |  |  |  |  |
Senior Management (Excluding Board Directors) | Second Cycle | Performance Share Plan 2018-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average payment coefficient (as a percent) |  |  |  |  |  |  | 50.00% |  |  |  |  |
Shares entitled (in shares) | shares |  |  |  |  |  |  | 256,246 |  |  |  |  |
Mr. Santiago Fernandez Valbuena | Senior Management (Excluding Board Directors) |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Key management personnel compensation |  |  |  |  | € 943,754 |  |  |  |  |  |  |
Mr. José María Álvarez-Pallete López |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Contributions |  |  |  |  |  | € 673,085 |  |  |  |  |  |
Mr. José María Álvarez-Pallete López | PSP - Second Cycle / 2019-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Shares entitled (in shares) |  |  |  |  |  | 133,500 | 234,000 |  |  |  |  |
Mr. José María Álvarez-Pallete López | Maximum | PSP - First Cycle / 2021-2024 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Shares entitled (in shares) | shares |  |  |  |  |  | 1,094,000 |  |  |  |  |  |
Mr. José María Álvarez-Pallete López | Directors |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Key management personnel compensation |  |  |  |  |  | € 6,128,082 |  |  |  |  |  |
Mr. Ángel Vilá Boix |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Contributions |  |  |  |  |  | € 560,000 |  |  |  |  |  |
Mr. Ángel Vilá Boix | PSP - Second Cycle / 2019-2022 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Shares entitled (in shares) |  |  |  |  |  | 99,000 | 173,500 |  |  |  |  |
Mr. Ángel Vilá Boix | Maximum | PSP - First Cycle / 2021-2024 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Shares entitled (in shares) | shares |  |  |  |  |  | 819,000 |  |  |  |  |  |
Mr. Ángel Vilá Boix | Directors |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Key management personnel compensation |  |  |  |  |  | € 4,535,714 |  |  |  |  |  |
Benefits plan | Senior Management (Excluding Board Directors) |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Contributions |  |  |  |  |  | 214,600 |  |  |  |  |  |
Benefits plan | Mr. José María Álvarez-Pallete López |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Contributions |  |  |  |  |  | 540,968 |  |  |  |  |  |
Benefits plan | Mr. Ángel Vilá Boix |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Contributions |  |  |  |  |  | 487,840 |  |  |  |  |  |
Pension plans | Senior Management (Excluding Board Directors) |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Contributions |  |  |  |  |  | 112,712 |  |  |  |  |  |
Pension plans | Mr. José María Álvarez-Pallete López |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Contributions |  |  |  |  |  | 7,574 |  |  |  |  |  |
Pension plans | Mr. Ángel Vilá Boix |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |  |  |  |  |
Contributions |  |  |  |  |  | € 6,721 |  |  |  |  |  |

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