CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 2,384	$ 1,512
Marketable securities	7,242	2,396
Accounts receivable, net of allowances for doubtful accounts of $22 and $17 as of December 31, 2012 and 2011, respectively	719	547
Income tax refundable	451	0
Prepaid expenses and other current assets	471	149
Total current assets	11,267	4,604
Property and equipment, net	2,391	1,475
Goodwill and intangible assets, net	1,388	162
Other assets	57	90
Total assets	15,103	6,331
Current liabilities:
Accounts payable	65	63
Platform partners payable	169	171
Accrued expenses and other current liabilities	423	296
Deferred revenue and deposits	30	90
Current portion of capital lease obligations	365	279
Total current liabilities	1,052	899
Capital lease obligations, less current portion	491	398
Long-term debt	1,500	0
Other liabilities	305	135
Total liabilities	3,348	1,432
Commitments and contingencies
Stockholders' equity:
Convertible preferred stock	0	615
Common stock value	0	0
Additional paid-in capital	10,094	2,684
Accumulated other comprehensive income (loss)	2	(6)
Retained earnings	1,659	1,606
Total stockholders’ equity	11,755	4,899
Total liabilities and stockholders’ equity	$ 15,103	$ 6,331