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Summary of Group's Operating Segment Results (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 USD ($) | Dec. 31, 2016 CNY (¥) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2014 CNY (¥)
Segment Reporting Information [Line Items] |  |  |  |
Unallocated expenses | $ (253,491) | ¥ (1,759,988) | ¥ (1,387,118) | ¥ (962,740)
Group consolidated operating profit | 1,447,368 | 10,049,080 | 11,671,554 | 12,803,764
Operating Segments | Search Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 7,975,663 | 55,375,031 | 55,667,478 | 43,727,459
Group consolidated operating profit | 3,910,818 | 27,152,807 | 28,117,837 | 20,547,793
Operating Segments | Transaction Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 704,953 | 4,894,486 | 7,005,941 | 3,822,456
Group consolidated operating profit | (1,783,960) | (12,386,035) | (13,145,445) | (5,973,978)
Operating Segments | iQiyi |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 1,625,137 | 11,283,329 | 5,295,760 | 2,873,552
Group consolidated operating profit | (398,267) | (2,765,169) | (2,383,438) | (1,110,299)
Intersegment Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | (144,531) | (1,003,482) | (1,587,450) | (1,371,149)
Group consolidated operating profit | (27,732) | (192,535) | 469,718 | 302,988
Operating Segments after Inter-segment Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Group consolidated operating profit | $ 1,700,859 | ¥ 11,809,068 | ¥ 13,058,672 | ¥ 13,766,504

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