ACCOUNTS RECEIVABLE, NET (Tables)

12 Months Ended

Dec. 31, 2017

ACCOUNTS RECEIVABLE, NET

Schedule of accounts receivable, net

	As of December 31,
	2016		2017
Accounts receivable	1,056		937
Less: allowance for doubtful accounts	(34	)	(36	)
Accounts receivable, net	1,022		901

Schedule of movement of allowance for doubtful accounts

	As of December 31,
	2016		2017
Balance at beginning of the year	36		34
Increase of the allowance for doubtful accounts	—		—
Foreign currency adjustment	(2	)	2
Balance at end of the year	34		36