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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2022
Intangible Assets [Abstract] |
Schedule of Goodwill by Group Segment | The gross cost, accumulated amortization and impairment losses of intangible assets at December 31, 2022 and 2021 are as follows:
Balance at December 31, 2022
Millions of euros | Gross cost | Accumulated amortization | Impairment losses | Intangible assets
Service concession arrangements and licenses | 15,837 |  | (8,123) |  | (164) |  | 7,550 |
Software | 17,158 |  | (14,344) |  | (14) |  | 2,800 |
Customer base | 5,089 |  | (4,368) |  | — |  | 721 |
Trademarks | 944 |  | (681) |  | — |  | 263 |
Other intangible assets | 870 |  | (829) |  | (2) |  | 39 |
Intangible assets in process | 652 |  | — |  | (8) |  | 644 |
Total intangible assets | 40,550 |  | (28,345) |  | (188) |  | 12,017 |
Balance at December 31, 2021
Millions of euros | Gross cost | Accumulated amortization | Impairment losses | Intangible assets
Service concession arrangements and licenses | 14,456 |  | (7,007) |  | (121) |  | 7,328 |
Software | 15,442 |  | (12,938) |  | (10) |  | 2,494 |
Customer base | 4,888 |  | (3,917) |  | — |  | 971 |
Trademarks | 901 |  | (625) |  | — |  | 276 |
Other intangible assets | 910 |  | (868) |  | — |  | 42 |
Intangible assets in process | 614 |  | — |  | — |  | 614 |
Total intangible assets | 37,211 |  | (25,355) |  | (131) |  | 11,725 |
The movement in goodwill assigned to each Group segment was as follows:
2022
Millions of euros | Balance at 12/31/2021 | Additions | Disposals | Write-offs | Transfers | Exchange rate impact | Balance at 12/31/2022
Telefónica Spain | 4,291 |  | — |  | — |  | — |  | — |  | — |  | 4,291 |
Telefónica Brazil | 6,278 |  | 695 |  | — |  | — |  | — |  | 779 |  | 7,752 |
Telefónica Germany | 4,386 |  | — |  | — |  | — |  | — |  | — |  | 4,386 |
Telefónica Hispam | 1,166 |  | — |  | — |  | — |  | — |  | 49 |  | 1,215 |
Others | 398 |  | 457 |  | — |  | — |  | (5) |  | (23) |  | 827 |
Total | 16,519 |  | 1,152 |  | — |  | — |  | (5) |  | 805 |  | 18,471 |
2021
Millions of euros | Balance at 12/31/2020 | Additions | Disposals | Write-offs | Transfers | Exchange rate impact | Balance at 12/31/2021
Telefónica Spain | 4,299 |  | — |  | (8) |  | — |  | — |  | — |  | 4,291 |
Telefónica Brazil | 6,258 |  | — |  | (36) |  | — |  | — |  | 56 |  | 6,278 |
Telefónica Germany | 4,558 |  | — |  | (172) |  | — |  | — |  | — |  | 4,386 |
Telefónica Hispam | 1,778 |  | — |  | (137) |  | (393) |  | (13) |  | (69) |  | 1,166 |
Others | 151 |  | 297 |  | — |  | (23) |  | (37) |  | 10 |  | 398 |
Total | 17,044 |  | 297 |  | (353) |  | (416) |  | (50) |  | (3) |  | 16,519 |
Schedule of Allocation of Goodwill to the Different Cash-Generating Units (CGUs) | In order to test for impairment, goodwill was allocated to the different cash-generating units (CGUs), which are grouped into the following reportable operating segments:
Millions of euros | 12/31/2022 | 12/31/2021
Telefónica Spain | 4,291 |  | 4,291 |
Telefónica Brazil | 7,752 |  | 6,278 |
Telefónica Germany | 4,386 |  | 4,386 |
Telefónica Hispam | 1,215 |  | 1,166 |
Colombia | 135 |  | 154 |
Ecuador | 137 |  | 129 |
Chile | 652 |  | 622 |
Peru | 265 |  | 239 |
Uruguay | 23 |  | 20 |
Others T. Hispam | 3 |  | 2 |
Other companies | 827 |  | 398 |
Telefónica Tech UK & Ireland | 429 |  | 288 |
BE-terna | 279 |  | — |
Others | 119 |  | 110 |
TOTAL | 18,471 |  | 16,519 |
The discount rates applied to the cash flow projections in 2022 and 2021 for the main CGUs are as follows:
| 2022 | 2021
Discount rate in local currency | Before tax | After-tax | Before tax | After-tax
Spain | 9.0% | 6.9% | 8.5% | 6.5%
Brazil | 16.4% | 12.6% | 15.2% | 12.0%
Germany | 8.0% | 5.7% | 7.2% | 5.2%
The perpetuity growth rates applied to the cash flow projections in 2022 and 2021 for the main CGUs are as follows:
Perpetuity growth rate in local currency | 2022 | 2021
Spain | 0.8% | 0.8%
Brazil | 4.5% | 4.5%
Germany | 1.0% | 1.1%
Schedule of Sensitivity to Changes in Assumptions | The Group performs a sensitivity analysis of the impairment test by considering reasonable changes in the main assumptions used in the test. For the main CGU, the following maximum increases or decreases were assumed, expressed in percentage points:
Changes in key assumptions, In percentage points | Spain |  | Germany | Brazil
Financial variables |  |  |  |
Discount rate | +/-0.5 |  | +/-0.5 | +/-1
Perpetuity growth rates | +/-0.25 |  | +/-0.25 | +/-0.5
Long-term operating variables |  |  |  |
OIBDA Margin | +/-1.5 |  | +/-1.5 | +/-2
Ratio of CapEx/Revenues | +/-0.75 |  | +/-0.75 | +/-1

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