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Finite-Lived Intangible Assets (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2015 USD ($) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2014 CNY (¥)
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Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | ¥ 6,578,238 | ¥ 5,967,330
Finite-lived intangible assets, accumulated amortization |  | (3,257,185) | (2,407,868)
Finite-lived intangible assets, net carrying value | $ 512,682 | 3,321,053 | 3,559,462
Land use right |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 464,165 | 519,474
Finite-lived intangible assets, accumulated amortization |  | (44,428) | (37,357)
Finite-lived intangible assets, net carrying value | 64,796 | 419,737 | 482,117
Customer relationships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 472,013 | 693,712
Finite-lived intangible assets, accumulated amortization |  | (364,310) | (304,208)
Finite-lived intangible assets, net carrying value | 16,626 | 107,703 | 389,504
Software |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 513,470 | 519,239
Finite-lived intangible assets, accumulated amortization |  | (352,099) | (274,818)
Finite-lived intangible assets, net carrying value | 24,911 | 161,371 | 244,421
Trademarks |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 613,032 | 916,735
Finite-lived intangible assets, accumulated amortization |  | (144,983) | (189,588)
Finite-lived intangible assets, net carrying value | 72,254 | 468,049 | 727,147
User list |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 699,872 | 854,467
Finite-lived intangible assets, accumulated amortization |  | (497,283) | (452,730)
Finite-lived intangible assets, net carrying value | 31,274 | 202,589 | 401,737
Licensed copyrights of video contents |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 3,039,164 | 1,768,141
Finite-lived intangible assets, accumulated amortization |  | (1,478,285) | (935,238)
Finite-lived intangible assets, net carrying value | 240,959 | 1,560,879 | 832,903
Others |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying value |  | 776,522 | 695,562
Finite-lived intangible assets, accumulated amortization |  | (375,797) | (213,929)
Finite-lived intangible assets, net carrying value | $ 61,862 | ¥ 400,725 | ¥ 481,633

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