21 Other operating income

In 2017, income from the reversal of impairment losses on non-current assets mainly comprised the partial reversal during the year of impairment losses on spectrum licenses at T‑Mobile US, which increased their carrying amount by EUR 1.7 billion. Income from the disposal of non-current assets was primarily attributable to the disposal of real estate previously classified as non-current assets and disposal groups held for sale. In 2018, income from insurance compensation mainly comprised compensation payments received by T‑Mobile US for damage caused by hurricanes in 2017. Miscellaneous other operating income includes income of EUR 0.1 billion from the divestitures of shares accounted for using the equity method as a result of the transfer on August 14, 2019 of the 11.34 percent stake in Ströer SE & Co. KGaA to Deutsche Telekom Trust e.V. as plan assets. In addition, other operating income includes a large number of individual items accounting for marginal amounts. The main items included here in 2017 were income of EUR 0.5 billion from the divestiture of Strato AG, income of EUR 0.2 billion from a payment received in connection with the settlement agreement concluded with BT in July 2017, and income of EUR 0.2 billion from the sale of the remaining shares in Scout24 AG, which had been accounted for using the equity method.