Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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-Publisher FASB
-Name Accounting Standards Codification
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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Property, equipment and software, net (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017 CNY (¥)	Dec. 31, 2016 CNY (¥)	Dec. 31, 2015 CNY (¥)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 CNY (¥)
Property, equipment and software, net
Total		¥ 10,451,316			¥ 18,205,497
Less: Accumulated depreciation		(3,427,907)			(5,631,319)
Net book value		7,023,409		$ 1,932,616	12,574,178
Depreciation expenses	¥ 2,310,065	1,751,086	¥ 1,027,312
Office equipment
Property, equipment and software, net
Total		3,779,766			7,172,694
Office equipment
Property, equipment and software, net
Total		265,815			287,282
Vehicles
Property, equipment and software, net
Total		1,091,556			1,164,376
Logistic and warehouse equipment
Property, equipment and software, net
Total		1,578,653			2,693,969
Leasehold improvement
Property, equipment and software, net
Total		493,765			827,408
Software
Property, equipment and software, net
Total		175,418			203,848
Building and building improvement
Property, equipment and software, net
Total		¥ 3,066,343			¥ 5,855,920