Tangible assets - Disclosure of changes in tangible assets in the consolidated balance sheets (Details) - EUR (€)
€ in Millions |
12 Months Ended |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
€ 32,087
|
€ 33,882
|
|
| Balance, at the end of the period |
27,438
|
32,087
|
€ 33,882
|
| For own use |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
12,636
|
13,408
|
|
| Balance, at the end of the period |
11,663
|
12,636
|
13,408
|
| Leased out under an operating lease |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
18,576
|
19,518
|
|
| Balance, at the end of the period |
14,753
|
18,576
|
19,518
|
| Investment property |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
875
|
956
|
|
| Balance, at the end of the period |
1,022
|
875
|
956
|
| Right-of-use for operating lease |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
1,918
|
2,183
|
|
| Balance, at the end of the period |
1,556
|
1,918
|
2,183
|
| Right-of-use for operating lease | For own use |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
1,918
|
2,183
|
|
| Balance, at the end of the period |
1,556
|
1,918
|
2,183
|
| Right-of-use for operating lease | Leased out under an operating lease |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
0
|
0
|
|
| Balance, at the end of the period |
0
|
0
|
0
|
| Right-of-use for operating lease | Investment property |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
0
|
0
|
|
| Balance, at the end of the period |
0
|
0
|
0
|
| Cost |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
50,510
|
53,123
|
53,316
|
| Additions / disposals (net) due to change in the scope of consolidation |
11
|
(1,164)
|
48
|
| Additions / disposals (net) |
(2,335)
|
(1,003)
|
1,830
|
| Transfers, exchange differences and other items |
(3,400)
|
(446)
|
(2,071)
|
| Balance, at the end of the period |
44,786
|
50,510
|
53,123
|
| Cost | For own use |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
25,656
|
26,243
|
26,570
|
| Additions / disposals (net) due to change in the scope of consolidation |
4
|
28
|
11
|
| Additions / disposals (net) |
326
|
730
|
1,122
|
| Transfers, exchange differences and other items |
(1,845)
|
(1,345)
|
(1,460)
|
| Balance, at the end of the period |
24,141
|
25,656
|
26,243
|
| Cost | Leased out under an operating lease |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
23,399
|
25,304
|
25,166
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
(1,192)
|
37
|
| Additions / disposals (net) |
(2,603)
|
(1,716)
|
742
|
| Transfers, exchange differences and other items |
(1,743)
|
1,003
|
(641)
|
| Balance, at the end of the period |
19,053
|
23,399
|
25,304
|
| Cost | Investment property |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
1,455
|
1,576
|
1,580
|
| Additions / disposals (net) due to change in the scope of consolidation |
7
|
0
|
0
|
| Additions / disposals (net) |
(58)
|
(17)
|
(34)
|
| Transfers, exchange differences and other items |
188
|
(104)
|
30
|
| Balance, at the end of the period |
1,592
|
1,455
|
1,576
|
| Cost | Right-of-use for operating lease |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
4,781
|
4,837
|
4,692
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
(13)
|
| Additions / disposals (net) |
(40)
|
179
|
125
|
| Transfers, exchange differences and other items |
(450)
|
(235)
|
33
|
| Balance, at the end of the period |
4,291
|
4,781
|
4,837
|
| Cost | Right-of-use for operating lease | For own use |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
4,781
|
4,837
|
4,692
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
(13)
|
| Additions / disposals (net) |
(40)
|
179
|
125
|
| Transfers, exchange differences and other items |
(450)
|
(235)
|
33
|
| Balance, at the end of the period |
4,291
|
4,781
|
4,837
|
| Cost | Right-of-use for operating lease | Leased out under an operating lease |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
0
|
0
|
0
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
0
|
| Additions / disposals (net) |
0
|
0
|
0
|
| Transfers, exchange differences and other items |
0
|
0
|
0
|
| Balance, at the end of the period |
0
|
0
|
0
|
| Cost | Right-of-use for operating lease | Investment property |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
0
|
0
|
0
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
0
|
| Additions / disposals (net) |
0
|
0
|
0
|
| Transfers, exchange differences and other items |
0
|
0
|
0
|
| Balance, at the end of the period |
0
|
0
|
0
|
| Accumulated depreciation |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
(17,565)
|
(18,618)
|
(18,642)
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
686
|
7
|
| Additions / disposals (net) |
3,091
|
3,886
|
2,824
|
| Charge for the year |
(1,331)
|
(1,553)
|
(1,700)
|
| Transfers, exchange differences and other items |
(799)
|
(1,966)
|
(1,107)
|
| Balance, at the end of the period |
(16,604)
|
(17,565)
|
(18,618)
|
| Accumulated depreciation | For own use |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
(12,619)
|
(12,637)
|
(12,892)
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
7
|
| Additions / disposals (net) |
663
|
672
|
284
|
| Charge for the year |
(1,323)
|
(1,544)
|
(1,689)
|
| Transfers, exchange differences and other items |
1,150
|
890
|
1,653
|
| Balance, at the end of the period |
(12,129)
|
(12,619)
|
(12,637)
|
| Accumulated depreciation | Leased out under an operating lease |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
(4,784)
|
(5,782)
|
(5,578)
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
686
|
0
|
| Additions / disposals (net) |
2,428
|
3,214
|
2,540
|
| Charge for the year |
0
|
0
|
0
|
| Transfers, exchange differences and other items |
(1,917)
|
(2,902)
|
(2,744)
|
| Balance, at the end of the period |
(4,273)
|
(4,784)
|
(5,782)
|
| Accumulated depreciation | Investment property |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
(162)
|
(199)
|
(172)
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
0
|
| Additions / disposals (net) |
0
|
0
|
0
|
| Charge for the year |
(8)
|
(9)
|
(11)
|
| Transfers, exchange differences and other items |
(32)
|
46
|
(16)
|
| Balance, at the end of the period |
(202)
|
(162)
|
(199)
|
| Accumulated depreciation | Right-of-use for operating lease |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
(2,814)
|
(2,609)
|
(2,265)
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
7
|
| Additions / disposals (net) |
177
|
196
|
160
|
| Charge for the year |
(405)
|
(460)
|
(580)
|
| Transfers, exchange differences and other items |
381
|
59
|
69
|
| Balance, at the end of the period |
(2,661)
|
(2,814)
|
(2,609)
|
| Accumulated depreciation | Right-of-use for operating lease | For own use |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
(2,814)
|
(2,609)
|
(2,265)
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
7
|
| Additions / disposals (net) |
177
|
196
|
160
|
| Charge for the year |
(405)
|
(460)
|
(580)
|
| Transfers, exchange differences and other items |
381
|
59
|
69
|
| Balance, at the end of the period |
(2,661)
|
(2,814)
|
(2,609)
|
| Accumulated depreciation | Right-of-use for operating lease | Leased out under an operating lease |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
0
|
0
|
0
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
0
|
| Additions / disposals (net) |
0
|
0
|
0
|
| Charge for the year |
|
0
|
0
|
| Transfers, exchange differences and other items |
0
|
0
|
0
|
| Balance, at the end of the period |
0
|
0
|
0
|
| Accumulated depreciation | Right-of-use for operating lease | Investment property |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
0
|
0
|
0
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
0
|
| Additions / disposals (net) |
0
|
0
|
0
|
| Charge for the year |
0
|
0
|
0
|
| Transfers, exchange differences and other items |
0
|
0
|
0
|
| Balance, at the end of the period |
0
|
0
|
0
|
| Impairment losses |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
(858)
|
(623)
|
(601)
|
| Impairment charge for the year |
(266)
|
(427)
|
(154)
|
| Releases |
137
|
45
|
19
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
0
|
| Additions / disposals (net) |
34
|
53
|
40
|
| Transfers, exchange differences and other items |
209
|
94
|
73
|
| Balance, at the end of the period |
(744)
|
(858)
|
(623)
|
| Impairment losses | For own use |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
(401)
|
(198)
|
(189)
|
| Impairment charge for the year |
(172)
|
(276)
|
(113)
|
| Releases |
41
|
34
|
4
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
0
|
| Additions / disposals (net) |
17
|
53
|
36
|
| Transfers, exchange differences and other items |
166
|
(14)
|
64
|
| Balance, at the end of the period |
(349)
|
(401)
|
(198)
|
| Impairment losses | Leased out under an operating lease |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
(39)
|
(4)
|
(33)
|
| Impairment charge for the year |
(79)
|
(70)
|
(29)
|
| Releases |
71
|
3
|
11
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
0
|
| Additions / disposals (net) |
17
|
0
|
0
|
| Transfers, exchange differences and other items |
3
|
32
|
47
|
| Balance, at the end of the period |
(27)
|
(39)
|
(4)
|
| Impairment losses | Investment property |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
(418)
|
(421)
|
(379)
|
| Impairment charge for the year |
(15)
|
(81)
|
(12)
|
| Releases |
25
|
8
|
4
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
0
|
| Additions / disposals (net) |
0
|
0
|
4
|
| Transfers, exchange differences and other items |
40
|
76
|
(38)
|
| Balance, at the end of the period |
(368)
|
(418)
|
(421)
|
| Impairment losses | Right-of-use for operating lease |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
(49)
|
(45)
|
(14)
|
| Impairment charge for the year |
(41)
|
(31)
|
(38)
|
| Releases |
1
|
10
|
3
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
0
|
| Additions / disposals (net) |
6
|
19
|
5
|
| Transfers, exchange differences and other items |
9
|
(2)
|
(1)
|
| Balance, at the end of the period |
(74)
|
(49)
|
(45)
|
| Impairment losses | Right-of-use for operating lease | For own use |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
(49)
|
(45)
|
(14)
|
| Impairment charge for the year |
(41)
|
(31)
|
(38)
|
| Releases |
1
|
10
|
3
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
0
|
| Additions / disposals (net) |
6
|
19
|
5
|
| Transfers, exchange differences and other items |
9
|
(2)
|
(1)
|
| Balance, at the end of the period |
(74)
|
(49)
|
(45)
|
| Impairment losses | Right-of-use for operating lease | Leased out under an operating lease |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
0
|
0
|
0
|
| Impairment charge for the year |
0
|
0
|
0
|
| Releases |
0
|
0
|
0
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
0
|
| Additions / disposals (net) |
0
|
0
|
|
| Transfers, exchange differences and other items |
0
|
0
|
0
|
| Balance, at the end of the period |
0
|
0
|
0
|
| Impairment losses | Right-of-use for operating lease | Investment property |
|
|
|
| Changes in property, plant and equipment [abstract] |
|
|
|
| Balance, at the beginning of the period |
0
|
0
|
0
|
| Impairment charge for the year |
0
|
0
|
0
|
| Releases |
0
|
0
|
0
|
| Additions / disposals (net) due to change in the scope of consolidation |
0
|
0
|
0
|
| Additions / disposals (net) |
0
|
0
|
|
| Transfers, exchange differences and other items |
0
|
0
|
0
|
| Balance, at the end of the period |
€ 0
|
€ 0
|
€ 0
|