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Indefinite-Lived Intangible Assets (Detail) ¥ in Millions, $ in Millions	Dec. 31, 2017 USD ($)	Dec. 31, 2017 CNY (¥)	Dec. 31, 2016 CNY (¥)
Indefinite-lived intangible assets, gross	$ 0	¥ 1	¥ 14
Domain names
Indefinite-lived intangible assets, gross	0	0	9
Trademarks
Indefinite-lived intangible assets, gross	$ 0	¥ 1	¥ 5

X

- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

+ Details

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