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Goodwill (Tables)
12 Months Ended
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 eurosGross costAccumulated amortizationImpairment lossesIntangible assets
Service concession arrangements and licenses15,837 (8,123)(164)7,550 
Software17,158 (14,344)(14)2,800 
Customer base5,089 (4,368)— 721 
Trademarks944 (681)— 263 
Other intangible assets870 (829)(2)39 
Intangible assets in process652 — (8)644 
Total intangible assets40,550 (28,345)(188)12,017 
Balance at December 31, 2021
Millions of eurosGross costAccumulated amortizationImpairment lossesIntangible assets
Service concession arrangements and licenses14,456 (7,007)(121)7,328 
Software15,442 (12,938)(10)2,494 
Customer base4,888 (3,917)— 971 
Trademarks901 (625)— 276 
Other intangible assets910 (868)— 42 
Intangible assets in process614 — — 614 
Total intangible assets37,211 (25,355)(131)11,725 
The movement in goodwill assigned to each Group segment was as follows:
2022
Millions of eurosBalance at 12/31/2021AdditionsDisposalsWrite-offsTransfersExchange rate impactBalance at 12/31/2022
Telefónica Spain4,291 — — — — — 4,291 
Telefónica Brazil6,278 695 — — — 779 7,752 
Telefónica Germany4,386 — — — — — 4,386 
Telefónica Hispam1,166 — — — — 49 1,215 
Others398 457 — — (5)(23)827 
Total16,519 1,152   (5)805 18,471 
2021
Millions of eurosBalance at 12/31/2020AdditionsDisposalsWrite-offsTransfersExchange rate impactBalance at 12/31/2021
Telefónica Spain4,299 — (8)— — — 4,291 
Telefónica Brazil6,258 — (36)— — 56 6,278 
Telefónica Germany4,558 — (172)— — — 4,386 
Telefónica Hispam1,778 — (137)(393)(13)(69)1,166 
Others151 297 — (23)(37)10 398 
Total17,044 297 (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 euros12/31/202212/31/2021
Telefónica Spain4,291 4,291 
Telefónica Brazil7,752 6,278 
Telefónica Germany4,386 4,386 
Telefónica Hispam1,215 1,166 
Colombia135 154 
Ecuador137 129 
Chile652 622 
Peru265 239 
Uruguay23 20 
Others T. Hispam
Other companies827 398 
Telefónica Tech UK & Ireland429 288 
BE-terna279 — 
Others119 110 
TOTAL18,471 16,519 
The discount rates applied to the cash flow projections in 2022 and 2021 for the main CGUs are as follows:
20222021
Discount rate in local currencyBefore taxAfter-taxBefore taxAfter-tax
Spain9.0%6.9%8.5%6.5%
Brazil16.4%12.6%15.2%12.0%
Germany8.0%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 
20222021
Spain0.8%0.8%
Brazil4.5%4.5%
Germany1.0%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
SpainGermanyBrazil
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