Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Accounts Receivable, net
Accounts receivable, gross	$ 75	$ 83
Allowance for doubtful accounts	(2)	(2)
Accounts receivable, net	73	81
Prepaid Expenses and Other Current Assets
Prepaid rent	43	41
Receivables from payment processors and aggregators	34	38
Dividends receivable from unconsolidated affiliates	39	21
Other prepaid expenses and current assets	89	60
Prepaid expenses and other current assets	205	160
Other Assets
Land use right	136	131
VAT assets	197	176
Costs to obtain contracts	9	12
Long-term deposits	61	56
Others	18	10
Other Assets	421	385
Accounts Payable and Other Current Liabilities
Accounts payable	584	424
Accrued capital expenditures	120	142
Accrued compensation and benefits	179	233
Accrued taxes, other than income taxes	25	16
Accrued marketing expenses	81	28
Contract liabilities	80	72
Other current liabilities	78	70
Accounts payable and other current liabilities	1,147	985
Other Liabilities and Deferred Credits
Deferred escalating minimum rent	156	162
Contract liabilities	30	33
Accrued income tax payable	96	112
Deferred income tax liabilities	69	32
Other noncurrent liabilities and deferred credits	45	49
Other liabilities and deferred credits	$ 396	$ 388