|AMAZON COM INC filed this Form 10-K on 01/30/2013|
Note 7OTHER LONG-TERM LIABILITIES
Our other long-term liabilities are summarized as follows (in millions):
Certain of our equipment, primarily related to technology infrastructure, and buildings have been acquired under capital leases. Long-term capital lease obligations are as follows (in millions):
We capitalize construction in progress and record a corresponding long-term liability for build-to-suit lease agreements where we are considered the owner during the construction period for accounting purposes.
We have recorded tax reserves for tax contingencies, inclusive of accrued interest and penalties, of approximately $336 million as of December 31, 2012, and $266 million as of December 31, 2011, for U.S. and foreign income taxes. These contingencies primarily relate to transfer pricing, state income taxes, and research and development credits. See Note 11Income Taxes for discussion of tax contingencies.
The remainder of our long-term liabilities primarily includes deferred tax liabilities, unearned revenue, asset retirement obligations, and deferred rental liabilities.
Note 8COMMITMENTS AND CONTINGENCIES
We have entered into non-cancellable operating, capital, and financing leases for equipment and office, fulfillment center, and data center facilities. Rental expense under operating lease agreements was $541 million, $362 million, and $225 million for 2012, 2011, and 2010.