CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Class A and Class B Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive (Loss) Income	Retained Earnings
Common stock, shares outstanding beginning at Dec. 31, 2013		2,547
Total stockholders' equity, beginning at Dec. 31, 2013	$ 15,470	$ 0	$ 12,297	$ 14	$ 3,159
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for cash upon exercise of stock options, shares		9
Issuance of common stock for cash upon exercise of stock options, value	18	$ 0	18
Issuance of common stock related to acquisitions, shares		201
Issuance of common stock related to acquisitions, value	14,344	$ 0	14,344
Issuance of common stock for settlement of RSUs, shares		41
Issuance of common stock for settlement of RSUs. value	0	$ 0
Shares withheld related to net share settlement, shares		(1)
Shares withheld related to net share settlement, value	(73)	$ 0	(73)
Share-based compensation, related to employee share-based awards	1,786		1,786
Tax benefit from share-based award activity	1,853		1,853
Other comprehensive loss	(242)			(242)
Net income	2,940				2,940
Common stock, shares outstanding ending at Dec. 31, 2014		2,797
Total stockholders' equity, ending at Dec. 31, 2014	36,096	$ 0	30,225	(228)	6,099
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for cash upon exercise of stock options, shares		4
Issuance of common stock for cash upon exercise of stock options, value	0	$ 0
Issuance of common stock for settlement of RSUs, shares		44
Issuance of common stock for settlement of RSUs. value	0	$ 0
Shares withheld related to net share settlement, value	(20)		(20)
Share-based compensation, related to employee share-based awards	2,960		2,960
Tax benefit from share-based award activity	1,721		1,721
Other comprehensive loss	(227)			(227)
Net income	3,688				3,688
Common stock, shares outstanding ending at Dec. 31, 2015		2,845
Total stockholders' equity, ending at Dec. 31, 2015	44,218	$ 0	34,886	(455)	9,787
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative-effect adjustment from adoption of ASU 2016-09	1,705		39		1,666
Issuance of common stock for cash upon exercise of stock options, shares		3
Issuance of common stock for cash upon exercise of stock options, value	16	$ 0	16
Issuance of common stock related to acquisitions, shares		1
Issuance of common stock related to acquisitions, value	74	$ 0	74
Issuance of common stock for settlement of RSUs, shares		43
Issuance of common stock for settlement of RSUs. value	0	$ 0
Shares withheld related to net share settlement, value	(6)		(6)
Share-based compensation, related to employee share-based awards	3,218		3,218
Other comprehensive loss	(248)			(248)
Net income	10,217				10,217
Common stock, shares outstanding ending at Dec. 31, 2016		2,892
Total stockholders' equity, ending at Dec. 31, 2016	$ 59,194	$ 0	$ 38,227	$ (703)	$ 21,670