22) Lease contracts

The Group leases real estate, retail stations, ships, and other equipments (see Note 11) "Property, plant and equipment" to the Consolidated Financial Statements​).

The future minimum lease payments on operating and finance leases to which the Group is committed are shown as follows:

Table : Lease contracts 2014

Table : Lease contracts 2013

Table : Lease contracts 2012

Net rental expense incurred under operating leases for the year ended December 31, 2014 is $1,091 million (against $1,126 million in 2013 and $1,002 million in 2012).