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Finite-Lived Intangible Assets (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2016 USD ($) | Dec. 31, 2016 CNY (¥) | Dec. 31, 2015 CNY (¥)
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Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | ¥ 9,097,449 | ¥ 6,578,238
Finite-lived intangible assets, accumulated amortization |  | (5,239,735) | (3,257,185)
Finite-lived intangible assets, net carrying value | $ 555,628 | 3,857,714 | 3,321,053
Land use right |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 464,165 | 464,165
Finite-lived intangible assets, accumulated amortization |  | (53,711) | (44,428)
Finite-lived intangible assets, net carrying value | 59,119 | 410,454 | 419,737
Customer relationships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 463,061 | 472,013
Finite-lived intangible assets, accumulated amortization |  | (462,239) | (364,310)
Finite-lived intangible assets, net carrying value | 118 | 822 | 107,703
Software |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 536,085 | 513,470
Finite-lived intangible assets, accumulated amortization |  | (416,268) | (352,099)
Finite-lived intangible assets, net carrying value | 17,257 | 119,817 | 161,371
Trademarks |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 596,332 | 613,032
Finite-lived intangible assets, accumulated amortization |  | (205,098) | (144,983)
Finite-lived intangible assets, net carrying value | 56,350 | 391,234 | 468,049
User list |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 698,960 | 699,872
Finite-lived intangible assets, accumulated amortization |  | (657,288) | (497,283)
Finite-lived intangible assets, net carrying value | 6,002 | 41,672 | 202,589
Licensed copyrights of video contents |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 5,608,338 | 3,039,164
Finite-lived intangible assets, accumulated amortization |  | (2,993,166) | (1,478,285)
Finite-lived intangible assets, net carrying value | 376,663 | 2,615,172 | 1,560,879
Others |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 730,508 | 776,522
Finite-lived intangible assets, accumulated amortization |  | (451,965) | (375,797)
Finite-lived intangible assets, net carrying value | $ 40,119 | ¥ 278,543 | ¥ 400,725

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