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Financial Statement Balances and Amounts of VIEs and Subsidiaries Included in Consolidated Financial Statements After Elimination of Intercompany Balances and Transactions Among VIEs and Subsidiaries within Group (Detail) ¥ in Millions, $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2018 USD ($) | Sep. 30, 2018 CNY (¥) | Sep. 30, 2017 CNY (¥) | Sep. 30, 2018 USD ($) | Sep. 30, 2018 CNY (¥) | Sep. 30, 2017 CNY (¥) | Sep. 30, 2018 CNY (¥) | Dec. 31, 2017 CNY (¥)
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ 2,297 |  |  | $ 2,297 |  |  | ¥ 15,775 | ¥ 11,084
Short-term investments |  | 12,917 |  |  | 12,917 |  |  | 88,716 | 89,381
Accounts receivable, net |  | 794 |  |  | 794 |  |  | 5,455 | 4,571
Total current assets |  | 20,382 |  |  | 20,382 |  |  | 139,982 | 151,169
Fixed assets, net |  | 2,358 |  |  | 2,358 |  |  | 16,197 | 12,475
Intangible assets, net |  | 1,271 |  |  | 1,271 |  |  | 8,732 | 5,467
Long-term investments, net |  | 11,734 |  |  | 11,734 |  |  | 80,589 | 56,283
Total non-current assets |  | 19,707 |  |  | 19,707 |  |  | 135,354 | 100,559
Total |  | 40,089 |  |  | 40,089 |  |  | 275,336 | 251,728
Accounts payable and accrued liabilities |  | 4,914 |  |  | 4,914 |  |  | 33,743 | 27,523
Customer advances and deposits |  | 1,106 |  |  | 1,106 |  |  | 7,599 | 6,785
Total current liabilities |  | 7,661 |  |  | 7,661 |  |  | 52,613 | 82,057
Non-current |  | 7,262 |  |  | 7,262 |  |  | 49,879 | 39,299
Total liabilities |  | 14,923 |  |  | 14,923 |  |  | 102,492 | 121,356
Total revenues |  | 4,106 | ¥ 28,203 |  | 10,932 | ¥ 75,082 |  |  |
Total revenues |  |  |  | ¥ 23,489 |  |  | ¥ 61,254 |  |
Net income (loss) |  | 1,659 | 11,396 | 7,948 | 3,205 | 22,014 | 14,129 |  |
Variable Interest Entity, Primary Beneficiary |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | 199 |  |  | 199 |  |  | 1,365 | 4,045
Short-term investments |  | 288 |  |  | 288 |  |  | 1,978 | 2,052
Accounts receivable, net |  | 569 |  |  | 569 |  |  | 3,907 | 3,021
Others |  | 638 |  |  | 638 |  |  | 4,381 | 5,280
Total current assets |  | 1,694 |  |  | 1,694 |  |  | 11,631 | 14,398
Fixed assets, net |  | 628 |  |  | 628 |  |  | 4,310 | 2,845
Intangible assets, net |  | 514 |  |  | 514 |  |  | 3,528 | 2,104
Long-term investments, net |  | 2,650 |  |  | 2,650 |  |  | 18,197 | 10,614
Others |  | 1,559 |  |  | 1,559 |  |  | 10,710 | 6,488
Total non-current assets |  | 5,351 |  |  | 5,351 |  |  | 36,745 | 22,051
Total |  | 7,045 |  |  | 7,045 |  |  | 48,376 | 36,449
Total current liabilities |  | 3,351 |  |  | 3,351 |  |  | 23,008 | 18,775
Non-current |  | 747 |  |  | 747 |  |  | 5,128 | 5,151
Total revenues |  | 1,375 | 9,444 |  | 3,630 | 24,931 |  |  |
Total revenues |  |  |  | 7,954 |  |  | 21,733 |  |
Net income (loss) |  | (117) | (805) | (139) | (712) | (4,892) | 891 |  |
Net cash provided by (used in) operating activities |  | 458 | 3,146 | 3,640 | 743 | 5,101 | 7,595 |  |
Net cash provided by (used in) investing activities |  | (1,252) | (8,597) | 102 | (2,503) | (17,193) | (3,123) |  |
Net cash provided by (used in) financing activities |  | 252 | ¥ 1,728 | ¥ (2,502) | 1,341 | ¥ 9,208 | ¥ (3,331) |  |
Variable Interest Entity, Primary Beneficiary | Third-party Liabilities |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Accounts payable and accrued liabilities |  | 1,833 |  |  | 1,833 |  |  | 12,586 | 14,073
Customer advances and deposits |  | 375 |  |  | 375 |  |  | 2,573 | 2,288
Others |  | 1,143 |  |  | 1,143 |  |  | 7,849 | 2,414
Total current liabilities |  | 3,351 |  |  | 3,351 |  |  | 23,008 | 18,775
Non-current |  | 747 |  |  | 747 |  |  | 5,128 | 5,151
Total liabilities |  | 4,098 |  |  | 4,098 |  |  | 28,136 | 23,926
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] | 210 |  |  | 210 |  |  | 1,443 | 2,828
Others | [1] | 1,337 |  |  | 1,337 |  |  | 9,184 | 4,605
Total liabilities | [1] | $ 1,547 |  |  | $ 1,547 |  |  | ¥ 10,627 | ¥ 7,433
[1] | Inter-company liabilities represent payable balances of each VIE due to subsidiaries within the Group pursuant to the technology consulting and service agreements. Other payables to non-VIE subsidiaries within the Group were included in third-party liabilities.

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