16. Commitments and Contingencies Lease Commitments The Company is committed to making rental payments under noncancelable operating leases covering various facilities and equipment. Many of the Company s operating leases for facilities contain renewal options. These renewal options vary, but the majority include clauses for various term lengths and prevailing market rate rents. Future minimum lease payments required under noncancelable operating leases, including minimum concession fees charged by airport authorities, which in many locations are recoverable from vehicle rental customers, as of December 31, 2012, are as follows: Amount 2013 506 2014 343 2015 260 2016 201 2017 140 Thereafter 615 $ 2,065 The future minimum lease payments in the above table have been reduced by minimum future sublease rental inflows in the aggregate of $6 million for all periods shown in the table. The Company maintains concession agreements with various airport authorities that allow the Company to conduct its car rental operations on site. In general, concession fees for airport locations are based on a percentage of total commissionable revenue (as defined by each airport authority), subject to minimum annual guaranteed amounts. These concession fees are included in the Company s total rent expense and were as follows for the years ended December 31: 2012 2011 2010 Rent and minimum concession fees $ 600 $ 535 $ 473 Contingent concession expense 155 104 114 755 639 587 Less: sublease rental income (5) (5) (5) Total $ 750 $ 634 $ 582 Commitments under capital leases, other than those within the Company s vehicle rental programs, for which the future minimum lease payments have been reflected in Note 15 Debt Under Vehicle Programs and Borrowing Arrangements, are not significant. The Company leases a portion of its vehicles under operating leases, which extend through 2015. As of December 31, 2012, the Company has guaranteed up to $37 million of residual values for these vehicles at the end of their respective lease terms. The Compan