CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating activities
Net income	$ 7,446	$ 6,722
Adjustments:
Depreciation expense and impairment of property and equipment	1,949	1,629
Amortization and impairment of intangible and other assets	462	536
Stock-based compensation expense	2,335	1,802
Excess tax benefits from stock-based award activities	(216)	(292)
Deferred income taxes	(150)	(138)
Gain on equity interest	0	(126)
(Gain) loss on marketable and non-marketable investments, net	33	(239)
Other	116	91
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	(69)	(454)
Income taxes, net	1,950	90
Prepaid revenue share, expenses and other assets	62	519
Accounts payable	(398)	14
Accrued expenses and other liabilities	237	(68)
Accrued revenue share	(121)	(68)
Deferred revenue	(34)	0
Net cash provided by operating activities	13,602	10,018
Investing activities
Purchases of property and equipment	(5,442)	(4,991)
Purchases of marketable securities	(33,126)	(24,857)
Maturities and sales of marketable securities	27,586	23,605
Purchases of non-marketable investments	(1,449)	(467)
Cash collateral related to securities lending	(84)	1,713
Investments in reverse repurchase agreements	250	0
Acquisitions, net of cash acquired, and purchases of intangibles and other assets	(142)	(3,490)
Net cash used in investing activities	(12,407)	(8,487)
Financing activities
Net payments related to stock-based award activities	(1,004)	(921)
Excess tax benefits from stock-based award activities	216	292
Adjustment Payment to Class C capital stockholders	(47)	0
Proceeds from issuance of debt, net of costs	6,698	6,293
Repayments of debt	(6,704)	(6,304)
Net cash used in financing activities	(841)	(640)
Effect of exchange rate changes on cash and cash equivalents	(248)	(9)
Net increase in cash and cash equivalents	106	882
Cash and cash equivalents at beginning of period	18,347	18,898
Reclassification of assets previously held for sale	0	(160)
Cash and cash equivalents at end of period	18,453	19,620
Supplemental disclosures of cash flow information
Cash paid for taxes	234	1,666
Cash paid for interest	48	38
Shares issued in connection with the Class C Adjustment Payment	$ 475	$ 0