11. Property, plant and equipment
In 2018, equipment with a carrying amount of €185 million was sold to a third party and this equipment has been leased from that moment on (Traxxen). The result of this transaction is not material.
12. Investment property
In view of the nature, diversity and locations (station areas), the fair value of the investment property portfolio is not determined on a regular basis, unless impairment applies.
13. Intangible assets
The remaining goodwill concerns our operations in the United Kingdom and Germany.
14. Impairments of non-current assets or reversals of such impairments
The cash flows that were used for determining the impairments are based on the business plans drawn up by the business unit concerned for a period of at least five years.