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Share-Based Compensation Expenses (Tables) | 9 Months Ended
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Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Total Share-Based Compensation Expenses Recognized | Total share-based compensation expenses recognized for the three-month and nine-month periods ended September 30, 2017 and 2018 have been reported as follows:
|  | For the three months ended |
|  | September 30, 2017 |  |  | September 30, 2018 |  |  | September 30, 2018 |
|  | RMB |  |  | RMB |  |  | US$ |
|  | (In millions) |
|  | (unaudited) |
Cost of revenues |  |  | 53 |  |  |  | 58 |  |  |  | 9 |
Selling, general and administrative |  |  | 252 |  |  |  | 545 |  |  |  | 79 |
Research and development |  |  | 536 |  |  |  | 636 |  |  |  | 92 |
|  |  | 841 |  |  |  | 1,239 |  |  |  | 180 |
|  | For the nine months ended |
|  | September 30, 2017 |  |  | September 30, 2018 |  |  | September 30, 2018 |
|  | RMB |  |  | RMB |  |  | US$ |
|  | (In millions) |
|  | (unaudited) |
Cost of revenues |  |  | 137 |  |  |  | 153 |  |  |  | 22 |
Selling, general and administrative |  |  | 675 |  |  |  | 1,138 |  |  |  | 166 |
Research and development |  |  | 1,456 |  |  |  | 1,843 |  |  |  | 268 |
|  |  | 2,268 |  |  |  | 3,134 |  |  |  | 456 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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