AMR Corp. disclosed the following lease information in its 2011 annual report related to its leasing activities (in millions).

	Capital Leases	Operating Leases
2012	$ 167	$ 1,176
2013	149	1,091
2014	129	942
2015	118	779
2016	78	685
Thereafter	477	5,940
Total	1,118	$10,613
Amount representing interest	(439)
Present value of net minimum lease payments	$ 679

a. What did AMR report on its 2011 balance sheet related to leases?

b. Calculate the lease-related liabilities that are potentially missing from AMRs 2011 balance sheet. Assume a discount rate of 11% and assume that the payments made in 2017 and beyond are made in 9 installments.