4. Depreciation and (reversal of) impairment charges

(in millions of euros)	Toelichting	2025	2024
Depreciation expenses Property, plant, and equipment	12	206	224
Depreciation expenses Investment properties	13	7	6
Amortisation expenses Intangible assets	14	36	103
Amortisation expenses Right-of-use assets	31	34	38
Total depreciation expenses		283	372

(Reversal of) impairment losses Property, plant, and equipment	12	-451	86
(Reversal of) impairment losses Intangible assets	14	-7	3
(Reversal of) impairment losses Right-of-use assets	31	-10	1
Total (reversal of) impairment charges	15	-468	90

Total		-185	462

For an explanation of the (reversal of) impairment charges on fixed assets, see note 15.