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Accounts Receivable | 12 Months Ended
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Dec. 31, 2019
Receivables [Abstract] |
Accounts Receivable |
5. | ACCOUNTS RECEIVABLE
|  | As of December 31, |
|  | 2018 |  |  | 2019 |  |  | 2019 |
|  | RMB |  |  | RMB |  |  | US$ |
|  | (In millions) |
Accounts receivable |  |  | 6,614 |  |  |  | 8,344 |  |  |  | 1,198 |
Allowance for doubtful accounts |  |  | (599 | ) |  |  | (928 | ) |  |  | (133 | )
|  |  | 6,015 |  |  |  | 7,416 |  |  |  | 1,065 |
The movements in the allowance for doubtful accounts were as follows:
|  | 2017 |  |  | 2018 |  |  | 2019 |  |  | 2019 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | US$ |
|  | (In millions) |
Balance as of January 1 |  |  | 177 |  |  |  | 316 |  |  |  | 599 |  |  |  | 86 |
Amounts charged to expenses |  |  | 190 |  |  |  | 299 |  |  |  | 331 |  |  |  | 47 |
Amounts written off |  |  | (51 | ) |  |  | (16 | ) |  |  | (2 | ) |  |  | — |
Balance as of December 31 |  |  | 316 |  |  |  | 599 |  |  |  | 928 |  |  |  | 133 |

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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- References No definition available. + Details
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