Contingent receivables and liabilities, and guarantee obligations
As of June 30, 2018, there were contingent receivables of46 (as of December 31, 2017: 23 ; as of June 30, 2017: 18 ). They mainly comprise a recovery claim in conjunction with construction grants which have been provided but which had not been sufficiently determined as of the balance sheet date in terms of the specific amount and the time at which the claim would become due.
As of the balance sheet date, no contingent receivables had been recognized for all injunction proceedings in view of the high level of uncertainty relating to refund claims, the timing of refunds and the probability of refunds.
The contingent liabilities are broken down as follows:
Contingent liabilities from guarantee obligations
Other contingent liabilities
Other contingent liabilities also comprise risks arising from litigation which had not been stated as provisions because the expected probability of occurrence is less than 50%.
There are also contingencies of16 from guarantees as of June 30, 2018 (as of December 31, 2017: 17 ; as of June 30, 2017: 18 ). As of June 30, 2018, property, plant and equipment with carrying amounts of 9 (as of December 31, 2017: 7 ; as of June 30, 2017 2 ) were also used as security for loans. The reported figure essentially relates to rolling stock used at the operating companies in the segment ong-Distance.
roup acts as guarantor mainly for equity participations and joint ventures, and is subject to joint and several liability for all syndicates in which it is involved.