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Financial Statement Balances and Amounts of VIEs and Their Subsidiaries were Included in Consolidated Financial Statements After Elimination of Intercompany Balances and Transactions Among VIEs and Their Subsidiaries Within Group (Detail) ¥ in Millions, $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2017 USD ($) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2016 CNY (¥) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2016 USD ($) | Dec. 31, 2016 CNY (¥) | Dec. 31, 2014 CNY (¥)
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ 1,704 |  |  | ¥ 9,960 | ¥ 11,084 | $ 1,675 | ¥ 10,898 | ¥ 13,853
Short-term investments |  | 13,738 |  |  |  | 89,381 |  | 71,196 |
Accounts receivable, net |  | 703 |  |  |  | 4,571 |  | 4,109 |
Total current assets |  | 23,235 |  |  |  | 151,169 |  | 99,760 |
Fixed assets, net |  | 1,917 |  |  |  | 12,475 |  | 11,294 |
Intangible assets, net |  | 840 |  |  |  | 5,467 |  | 3,872 |
Long-term investments, net |  | 8,651 |  |  |  | 56,283 |  | 45,690 |
Total non-current assets |  | 15,454 |  |  |  | 100,559 |  | 82,237 |
Total |  | 38,689 |  |  |  | 251,728 |  | 181,997 |
Accounts payable and accrued liabilities |  | 4,229 |  |  |  | 27,523 |  | 21,630 |
Customer advances and deposits |  | 1,043 |  |  |  | 6,785 |  | 6,032 |
Total current liabilities |  | 12,611 |  |  |  | 82,057 |  | 46,102 |
Non-current |  | 6,040 |  |  |  | 39,299 |  | 38,152 |
Total liabilities |  | 18,651 |  |  |  | 121,356 |  | 84,254 |
Total revenues |  | 13,034 | ¥ 84,809 | ¥ 70,549 | 66,382 |  |  |  |
Net loss |  | 2,810 | 18,288 | 11,596 | 32,432 |  |  |  |
Net cash provided by operating activities |  | 5,054 | 32,880 | 22,258 | 19,771 |  |  |  |
Net cash used in investing activities |  | (11,825) | (76,935) | (35,911) | (31,621) |  |  |  |
Net cash provided by financing activities |  | 6,848 | 44,557 | 14,447 | 7,778 |  |  |  |
Variable Interest Entity, Primary Beneficiary |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | 622 |  |  |  | 4,045 |  | 3,087 |
Short-term investments |  | 315 |  |  |  | 2,052 |  | 6,661 |
Accounts receivable, net |  | 464 |  |  |  | 3,021 |  | 3,851 |
Others |  | 812 |  |  |  | 5,280 |  | 3,247 |
Total current assets |  | 2,213 |  |  |  | 14,398 |  | 16,846 |
Fixed assets, net |  | 437 |  |  |  | 2,845 |  | 1,438 |
Intangible assets, net |  | 323 |  |  |  | 2,104 |  | 1,739 |
Long-term investments, net |  | 1,631 |  |  |  | 10,614 |  | 4,616 |
Others |  | 997 |  |  |  | 6,488 |  | 2,094 |
Total non-current assets |  | 3,388 |  |  |  | 22,051 |  | 9,887 |
Total |  | 5,601 |  |  |  | 36,449 |  | 26,733 |
Total current liabilities |  | 2,886 |  |  |  | 18,775 |  | 20,915 |
Non-current |  | 792 |  |  |  | 5,151 |  | 1,107 |
Total revenues |  | 4,489 | 29,208 | 24,603 | 20,668 |  |  |  |
Net loss |  | (96) | (626) | (464) | (4,398) |  |  |  |
Net cash provided by operating activities |  | 569 | 3,698 | 2,737 | 3,563 |  |  |  |
Net cash used in investing activities |  | (880) | (5,725) | (9,471) | (7,025) |  |  |  |
Net cash provided by financing activities |  | 459 | ¥ 2,985 | ¥ 5,098 | ¥ 5,935 |  |  |  |
Variable Interest Entity, Primary Beneficiary | Third-party Liabilities |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Accounts payable and accrued liabilities |  | 2,163 |  |  |  | 14,073 |  | 12,695 |
Customer advances and deposits |  | 352 |  |  |  | 2,288 |  | 1,654 |
Others |  | 371 |  |  |  | 2,414 |  | 6,566 |
Total current liabilities |  | 2,886 |  |  |  | 18,775 |  | 20,915 |
Non-current |  | 792 |  |  |  | 5,151 |  | 1,107 |
Total liabilities |  | 3,678 |  |  |  | 23,926 |  | 22,022 |
Variable Interest Entity, Primary Beneficiary | Inter-company Liabilities |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Inter-company payable to subsidiaries for technology consulting and service fees | [1] | 435 |  |  |  | 2,828 |  | 2,096 |
Others | [1] | 708 |  |  |  | 4,605 |  | 2,729 |
Total liabilities | [1] | $ 1,143 |  |  |  | ¥ 7,433 |  | ¥ 4,825 |
[1] | Inter-company liabilities represent payable balances of each VIE due to its Primary Beneficiary. Amounts payable to other non-VIE subsidiaries within the Group were included in third party liabilities.

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