Property and Equipment

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property and Equipment

PROPERTY AND EQUIPMENT

Property and equipment, at cost, consisted of the following (in millions):

	December 31,
	2014		2013
Gross property and equipment (1):
Land and buildings	$	7,150	$	4,584
Equipment and internal-use software (2)	14,213		9,274
Other corporate assets	304		231
Construction in progress	1,063		720
Gross property and equipment	22,730		14,809
Total accumulated depreciation (1)	5,763		3,860
Total property and equipment, net	$	16,967	$	10,949

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(1) Excludes the original cost and accumulated depreciation of fully-depreciated assets.

(2) Includes internal-use software of $1.3 billion and $1.1 billion as of December 31, 2014 and 2013.

Depreciation expense on property and equipment was $3.6 billion, $2.5 billion, and $1.7 billion, which includes amortization of property and equipment acquired under capital leases of $1.5 billion, $826 million, and $510 million for 2014, 2013, and 2012. Gross assets remaining under capital leases were $7.9 billion and $4.2 billion as of December 31, 2014 and 2013. Accumulated depreciation associated with capital leases was $3.3 billion and $1.9 billion as of December 31, 2014 and 2013.

We capitalize construction in progress and record a corresponding long-term liability for build-to-suit lease agreements where we are considered the owner, for accounting purposes, during the construction period. For buildings under build-to-suit lease arrangements where we have taken occupancy, which do not qualify for sales recognition under the sale-leaseback accounting guidance, we determined that we continue to be the deemed owner of these buildings. This is principally due to our significant investment in tenant improvements. As a result, the buildings are being depreciated over the shorter of their useful lives or the related leases’ terms. Additionally, certain build-to-suit lease arrangements and finance leases provide purchase options. Upon occupancy, the long-term construction obligations are considered long-term finance lease obligations with amounts payable during the next 12 months recorded as “Accrued expenses and other.” Gross assets remaining under finance leases were $1.4 billion and $578 million as of December 31, 2014 and 2013. Accumulated depreciation associated with finance leases was $87 million and $22 million as of December 31, 2014 and 2013.

Cash paid for interest on capital and finance leases was $86 million, $41 million, and $51 million for 2014, 2013, and 2012.