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Summary of Group's Operating Segment Results (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2014 CNY (¥) | Dec. 31, 2013 CNY (¥)
Segment Reporting Information [Line Items] |  |  |  |
Unallocated expenses | $ (214,134) | ¥ (1,387,118) | ¥ (962,740) | ¥ (514,727)
Group consolidated operating profit | 1,801,778 | 11,671,554 | 12,803,764 | 11,191,720
Operating Segments | Search Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 8,593,577 | 55,667,478 | 43,727,459 | 29,590,276
Group consolidated operating profit | 4,340,646 | 28,117,837 | 20,547,793 | 14,178,852
Operating Segments | Transaction Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 1,081,531 | 7,005,941 | 3,822,456 | 1,319,187
Group consolidated operating profit | (2,029,307) | (13,145,445) | (5,973,978) | (1,522,279)
Operating Segments | iQiyi |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 817,525 | 5,295,760 | 2,873,552 | 1,345,042
Group consolidated operating profit | (367,939) | (2,383,438) | (1,110,299) | (743,013)
Intersegment Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | (245,060) | (1,587,450) | (1,371,149) | (310,581)
Group consolidated operating profit | 72,512 | 469,718 | 302,988 | (207,113)
Operating Segments after Inter-segment Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Group consolidated operating profit | $ 2,015,912 | ¥ 13,058,672 | ¥ 13,766,504 | ¥ 11,706,447

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