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Note 17 Tangible Assets Breakdown By Type Of Asset (Details) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets | € 13,677 |  | € 16,578 |  | € 12,910 |
Cost of tangible assets | 13,535 |  | 13,677 |  | 16,578 |
Accrued depreciation | 5,371 |  | 6,067 |  | 5,437 |
Accrued depreciation | 5,641 |  | 5,371 |  | 6,067 |
Impairment of tangible assets | 483 |  | 443 |  | 244 |
Impairment of tangible assets | 596 |  | 483 |  | 443 |
Tangible assets | 7,823 |  | 10,068 |  | 7,229 |
Tangible assets | 7,298 |  | 7,823 |  | 10,068 |
Additions tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 585 |  | 651 |  | 4,175 |
Accrued depreciation changes in the year | 740 |  | 781 |  | 876 |
Impairment of tangible assets changes in the year | 161 | [1] | 125 |  | 94 |
Retirements tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (347) |  | (498) |  | (433) |
Accrued depreciation changes in the year | (298) |  | (260) |  | (296) |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | (3) |
Acquisition of subsidiaries in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Disposal of entities in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | (1,616) | [2] | 0 |
Accrued depreciation changes in the year | 0 |  | (765) | [2] | 0 |
Impairment of tangible assets changes in the year | 0 |  | (8) | [2] | 0 |
Transfers of tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (147) |  | (272) |  | (88) |
Accrued depreciation changes in the year | (39) |  | (58) |  | (30) |
Impairment of tangible assets changes in the year | (5) |  | (51) |  | 121 |
Exchange difference and other tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (233) |  | (1,166) |  | 14 |
Accrued depreciation changes in the year | (134) |  | (470) |  | (23) |
Impairment of tangible assets | 483 |  | 443 |  |  |
Impairment of tangible assets changes in the year | (43) |  | (26) |  | (13) |
Impairment of tangible assets |  |  | 483 |  | 443 |
Additions transfer to discontinued operations tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Accrued depreciation changes in the year | 0 |  | 76 | [2] | 103 | [3]
Impairment of tangible assets changes in the year | 0 |  |  |  |  |
Land and buildings [member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets | 4,380 |  | 6,001 |  | 5,939 |
Cost of tangible assets | 4,350 |  | 4,380 |  | 6,001 |
Accrued depreciation | 833 |  | 1,253 |  | 1,138 |
Accrued depreciation | 900 |  | 833 |  | 1,253 |
Impairment of tangible assets | 149 |  | 212 |  | 217 |
Impairment of tangible assets | 114 |  | 149 |  | 212 |
Tangible assets | 3,398 |  | 4,536 |  | 4,584 |
Tangible assets | 3,336 |  | 3,398 |  | 4,536 |
Land and buildings [member] | Additions tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 58 |  | 157 |  | 90 |
Accrued depreciation changes in the year | 79 |  | 83 |  | 92 |
Impairment of tangible assets changes in the year | 0 | [1] | 18 |  | 14 |
Land and buildings [member] | Retirements tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (5) |  | (10) |  | (44) |
Accrued depreciation changes in the year | (19) |  | (2) |  | (38) |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | (3) |
Land and buildings [member] | Acquisition of subsidiaries in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Land and buildings [member] | Disposal of entities in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | (925) | [2] | 0 |
Accrued depreciation changes in the year | 0 |  | (373) | [2] | 0 |
Impairment of tangible assets changes in the year | 0 |  | (8) | [2] | 0 |
Land and buildings [member] | Transfers of tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (112) |  | (248) |  | (41) |
Accrued depreciation changes in the year | (23) |  | (42) |  | (16) |
Impairment of tangible assets changes in the year | (24) |  | (68) |  | (16) |
Land and buildings [member] | Exchange difference and other tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 29 |  | (595) |  | 57 |
Accrued depreciation changes in the year | 30 |  | (110) |  | 43 |
Impairment of tangible assets changes in the year | (11) |  | (5) |  | 0 |
Land and buildings [member] | Additions transfer to discontinued operations tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Accrued depreciation changes in the year | 0 |  | 24 | [2] | 34 | [3]
Impairment of tangible assets changes in the year | 0 |  |  |  |  |
Work in progress [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets | 52 |  | 56 |  | 70 |
Cost of tangible assets | 67 |  | 52 |  | 56 |
Accrued depreciation | 0 |  | 0 |  | 0 |
Accrued depreciation | 0 |  | 0 |  | 0 |
Impairment of tangible assets | 0 |  | 0 |  | 0 |
Impairment of tangible assets | 0 |  | 0 |  | 0 |
Tangible assets | 52 |  | 56 |  | 70 |
Tangible assets | 67 |  | 52 |  | 56 |
Work in progress [Member] | Additions tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 31 |  | 54 |  | 63 |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 | [1] | 0 |  | 0 |
Work in progress [Member] | Retirements tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (1) |  | (23) |  | (20) |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Work in progress [Member] | Acquisition of subsidiaries in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Work in progress [Member] | Disposal of entities in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | (31) | [2] | 0 |
Accrued depreciation changes in the year | 0 |  | 0 | [2] | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 | [2] | 0 |
Work in progress [Member] | Transfers of tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (8) |  | (2) |  | (51) |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Work in progress [Member] | Exchange difference and other tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (7) |  | (2) |  | (6) |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets | 0 |  | 0 |  |  |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets |  |  | 0 |  | 0 |
Work in progress [Member] | Additions transfer to discontinued operations tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Accrued depreciation changes in the year | 0 |  | 0 | [2] | 0 | [3]
Impairment of tangible assets changes in the year | 0 |  |  |  |  |
Furniture, fixtures and vehicles [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets | 5,515 |  | 6,351 |  | 6,314 |
Cost of tangible assets | 5,388 |  | 5,515 |  | 6,351 |
Accrued depreciation | 3,859 |  | 4,344 |  | 4,212 |
Accrued depreciation | 3,833 |  | 3,859 |  | 4,344 |
Impairment of tangible assets | 0 |  | 0 |  | 0 |
Impairment of tangible assets | 0 |  | 0 |  | 0 |
Tangible assets | 1,656 |  | 2,007 |  | 2,102 |
Tangible assets | 1,555 |  | 1,656 |  | 2,007 |
Furniture, fixtures and vehicles [Member] | Additions tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 262 |  | 255 |  | 335 |
Accrued depreciation changes in the year | 358 |  | 370 |  | 431 |
Impairment of tangible assets changes in the year | 1 | [1] | 26 |  | 20 |
Furniture, fixtures and vehicles [Member] | Retirements tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (281) |  | (294) |  | (302) |
Accrued depreciation changes in the year | (259) |  | (248) |  | (255) |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Furniture, fixtures and vehicles [Member] | Acquisition of subsidiaries in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Furniture, fixtures and vehicles [Member] | Disposal of entities in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | (366) | [2] | 0 |
Accrued depreciation changes in the year | 0 |  | (321) | [2] | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 | [2] | 0 |
Furniture, fixtures and vehicles [Member] | Transfers of tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (29) |  | (5) |  | (8) |
Accrued depreciation changes in the year | (17) |  | (12) |  | (13) |
Impairment of tangible assets changes in the year | 17 |  | 0 |  | 0 |
Furniture, fixtures and vehicles [Member] | Exchange difference and other tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (79) |  | (426) |  | 12 |
Accrued depreciation changes in the year | (108) |  | (294) |  | (57) |
Impairment of tangible assets | 0 |  | 0 |  |  |
Impairment of tangible assets changes in the year | (18) |  | (26) |  | (20) |
Impairment of tangible assets |  |  | 0 |  | 0 |
Furniture, fixtures and vehicles [Member] | Additions transfer to discontinued operations tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Accrued depreciation changes in the year | 0 |  | 20 | [2] | 26 | [3]
Impairment of tangible assets changes in the year | 0 |  |  |  |  |
Right of use assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets | 3,061 |  | 3,516 |  | 0 |
Cost of tangible assets | 3,154 |  | 3,061 |  | 3,516 |
Accrued depreciation | 582 |  | 370 |  | 0 |
Accrued depreciation | 811 |  | 582 |  | 370 |
Impairment of tangible assets | 274 |  | 191 |  | 0 |
Impairment of tangible assets | 427 |  | 274 |  | 191 |
Tangible assets | 2,205 |  | 2,955 |  | 0 |
Tangible assets | 1,916 |  | 2,205 |  | 2,955 |
Right of use assets [Member] | Additions tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 230 |  | 183 |  | 3,574 |
Accrued depreciation changes in the year | 284 |  | 312 |  | 338 |
Impairment of tangible assets changes in the year | 151 | [1] | 68 |  | 60 |
Right of use assets [Member] | Retirements tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (59) |  | (157) |  | (57) |
Accrued depreciation changes in the year | (16) |  | (10) |  | (3) |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Right of use assets [Member] | Acquisition of subsidiaries in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Right of use assets [Member] | Disposal of entities in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | (294) | [2] | 0 |
Accrued depreciation changes in the year | 0 |  | (71) | [2] | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 | [2] | 0 |
Right of use assets [Member] | Transfers of tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (34) |  | (60) |  | (1) |
Accrued depreciation changes in the year | (5) |  | (9) |  | (1) |
Impairment of tangible assets changes in the year | 0 |  | 10 |  | 127 |
Right of use assets [Member] | Exchange difference and other tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (44) |  | (127) |  | 0 |
Accrued depreciation changes in the year | (34) |  | (42) |  | (7) |
Impairment of tangible assets | 274 |  | 191 |  |  |
Impairment of tangible assets changes in the year | 2 |  | 5 |  | 4 |
Impairment of tangible assets |  |  | 274 |  | 191 |
Right of use assets [Member] | Additions transfer to discontinued operations tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Accrued depreciation changes in the year | 0 |  | 32 | [2] | 43 | [3]
Impairment of tangible assets changes in the year | 0 |  |  |  |  |
Right to use investment properties [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets | 123 |  | 101 |  | 0 |
Cost of tangible assets | 162 |  | 123 |  | 101 |
Accrued depreciation | 27 |  | 11 |  | 0 |
Accrued depreciation | 47 |  | 27 |  | 11 |
Impairment of tangible assets | 26 |  | 14 |  | 0 |
Impairment of tangible assets | 34 |  | 26 |  | 14 |
Tangible assets | 70 |  | 76 |  | 0 |
Tangible assets | 81 |  | 70 |  | 76 |
Right to use investment properties [Member] | Additions tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 4 |  | 0 |  | 101 |
Accrued depreciation changes in the year | 15 |  | 12 |  | 11 |
Impairment of tangible assets changes in the year | 8 | [1] | 12 |  | 0 |
Right to use investment properties [Member] | Retirements tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | (3) |  | 0 |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Right to use investment properties [Member] | Acquisition of subsidiaries in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Right to use investment properties [Member] | Disposal of entities in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 | [2] | 0 |
Accrued depreciation changes in the year | 0 |  | 0 | [2] | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 | [2] | 0 |
Right to use investment properties [Member] | Transfers of tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 35 |  | 25 |  | 0 |
Accrued depreciation changes in the year | 5 |  | 4 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 14 |
Right to use investment properties [Member] | Exchange difference and other tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets | 26 |  | 14 |  |  |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets |  |  | 26 |  | 14 |
Right to use investment properties [Member] | Additions transfer to discontinued operations tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Accrued depreciation changes in the year | 0 |  | 0 | [2] | 0 | [3]
Impairment of tangible assets changes in the year | 0 |  |  |  |  |
Investment property [member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets | 201 |  | 216 |  | 201 |
Cost of tangible assets | 147 |  | 201 |  | 216 |
Accrued depreciation | 16 |  | 15 |  | 11 |
Accrued depreciation | 17 |  | 16 |  | 15 |
Impairment of tangible assets | 34 |  | 26 |  | 27 |
Impairment of tangible assets | 21 |  | 34 |  | 26 |
Tangible assets | 151 |  | 175 |  | 163 |
Tangible assets | 109 |  | 151 |  | 175 |
Investment property [member] | Additions tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 2 |  | 12 |
Accrued depreciation changes in the year | 4 |  | 3 |  | 4 |
Impairment of tangible assets changes in the year | 1 | [1] | 1 |  | 0 |
Investment property [member] | Retirements tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (1) |  | (11) |  | (10) |
Accrued depreciation changes in the year | (4) |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Investment property [member] | Acquisition of subsidiaries in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Investment property [member] | Disposal of entities in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 | [2] | 0 |
Accrued depreciation changes in the year | 0 |  | 0 | [2] | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 | [2] | 0 |
Investment property [member] | Transfers of tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 1 |  | 18 |  | 13 |
Accrued depreciation changes in the year | 1 |  | 1 |  | 0 |
Impairment of tangible assets changes in the year | 2 |  | 7 |  | (4) |
Investment property [member] | Exchange difference and other tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (54) |  | (24) |  | 0 |
Accrued depreciation changes in the year | 0 |  | (3) |  | 0 |
Impairment of tangible assets | 34 |  | 26 |  |  |
Impairment of tangible assets changes in the year | (16) |  | 0 |  | 3 |
Impairment of tangible assets |  |  | 34 |  | 26 |
Investment property [member] | Additions transfer to discontinued operations tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Accrued depreciation changes in the year | 0 |  | 0 | [2] | 0 | [3]
Impairment of tangible assets changes in the year | 0 |  |  |  |  |
Tangible assets leased out under an operating lease [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets | 345 |  | 337 |  | 386 |
Cost of tangible assets | 267 |  | 345 |  | 337 |
Accrued depreciation | 54 |  | 74 |  | 76 |
Accrued depreciation | 33 |  | 54 |  | 74 |
Impairment of tangible assets | 0 |  | 0 |  | 0 |
Impairment of tangible assets | 0 |  | 0 |  | 0 |
Tangible assets | 291 |  | 263 |  | 310 |
Tangible assets | 234 |  | 291 |  | 263 |
Tangible assets leased out under an operating lease [Member] | Additions tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Accrued depreciation changes in the year | 0 |  | 1 |  | 0 |
Impairment of tangible assets changes in the year | 0 | [1] | 0 |  | 0 |
Tangible assets leased out under an operating lease [Member] | Retirements tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Tangible assets leased out under an operating lease [Member] | Acquisition of subsidiaries in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Tangible assets leased out under an operating lease [Member] | Disposal of entities in the year [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 | [2] | 0 |
Accrued depreciation changes in the year | 0 |  | 0 | [2] | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 | [2] | 0 |
Tangible assets leased out under an operating lease [Member] | Transfers of tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Accrued depreciation changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Tangible assets leased out under an operating lease [Member] | Exchange difference and other tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Cost of tangible assets changes in the year | (78) |  | 8 |  | (49) |
Accrued depreciation changes in the year | (21) |  | (21) |  | (2) |
Impairment of tangible assets | 0 |  | 0 |  |  |
Impairment of tangible assets changes in the year | 0 |  | 0 |  | 0 |
Impairment of tangible assets |  |  | 0 |  | 0 |
Tangible assets leased out under an operating lease [Member] | Additions transfer to discontinued operations tangible assets [Member] |  |  |  |  |  |
Disclosure of Tangible assets breakdown by type of asset [Line Items] |  |  |  |  |  |
Accrued depreciation changes in the year | 0 |  | € 0 | [2] | € 0 | [3]
Impairment of tangible assets changes in the year | € 0 |  |  |  |  |
[1] | (*) In 2021, it includes allowances on right of use of the rented offices after the agreement with union representatives on the collective layoff procedure proposed for Banco Bilbao Vizcaya Argentaria, S.A. in Spain (see Notes 24 and 49).
[2] | (*) Amount is mainly due to the companies in the United States included in the USA Sale (see Notes 1.3, 3 and 21).
[3] | (*) Amount is mainly due to the companies in the United States included in the USA Sale (see Notes 1.3, 3 and 21).

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