Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 319	$ 351
Short-term marketable securities (note 4)	142	131
Accounts receivable, net of allowance for doubtful accounts of $3,300 and $3,300 at March 31, 2014 and December 31, 2013, respectively	151	113
Income taxes receivable	12	14
Deferred income taxes, net	5	5
Prepaid expenses and other current assets	16	16
Total current assets	645	630
Long-term assets:
Long-term marketable securities (note 4)	284	188
Property and equipment, net (note 5)	114	82
Deferred income taxes, net	1	1
Other long-term assets	19	18
Intangible assets, net	50	52
Goodwill	502	502
TOTAL ASSETS	1,615	1,473
Current liabilities:
Accounts payable	11	10
Deferred merchant payables	63	30
Deferred revenue	58	44
Credit facility borrowings (note 6)	31	28
Borrowings, current (note 6)	40	40
Taxes payable	9	5
Accrued expenses and other current liabilities	81	86
Total current liabilities	293	243
Deferred income taxes, net	15	13
Other long-term liabilities (note 5)	73	52
Borrowings, net of current portion (note 6)	290	300
Total Liabilities	671	608
Commitments and contingencies (note 8)
Stockholders’ equity: (note 9)
Preferred stock, $0.001 par value Authorized shares: 100,000,000 Shares issued and outstanding: 0 and 0
Common stock
Additional paid-in capital	618	608
Retained earnings	470	402
Accumulated other comprehensive income	1
Treasury stock-common stock, at cost, 2,120,709 and 2,120,709 shares, March 31, 2014 and December 31, 2013, respectively	(145)	(145)
Total Stockholders’ Equity	944	865
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,615	1,473
Class B Common Stock
Stockholders’ equity: (note 9)
Common stock
Total Stockholders’ Equity