CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Common stock	Additional paid-in capital	Treasury stock at cost	Retained earnings	Accumulated Other Comprehensive Income
Stockholders' equity, beginning of period at Dec. 31, 2012		$ 2	$ 12,062	$ (8,053)	$ 15,998	$ 856
Common stock, beginning of year (in shares) at Dec. 31, 2012		1,294
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued		$ 0
Common stock issued (in shares)		25
Common stock repurchased/forfeited		$ 0
Common stock repurchased/forfeited (in shares)		(25)
Common stock and stock-based awards issued and assumed			440
Tax withholdings related to net share settlements of restricted stock awards and units			(267)
Stock-based compensation			572
Stock-based awards tax impact			224
Common stock repurchased				(1,343)
Net income	$ 2,856				2,856
Change in unrealized gains (losses) on investments						234
Change in unrealized gains (losses) on cash flow hedges						(51)
Foreign currency translation adjustment						208
Tax benefit (provision) on above items						(91)
Distribution of PayPal					0	0
Common stock, end of period (in shares) at Dec. 31, 2013		1,294
Stockholders' equity, end of period at Dec. 31, 2013	23,647	$ 2	13,031	(9,396)	18,854	1,156
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued		$ 0
Common stock issued (in shares)		18
Common stock repurchased/forfeited		$ 0
Common stock repurchased/forfeited (in shares)		(88)
Common stock and stock-based awards issued and assumed			298
Tax withholdings related to net share settlements of restricted stock awards and units			(252)
Stock-based compensation			693
Stock-based awards tax impact			117
Common stock repurchased				(4,658)
Net income	$ 46				46
Change in unrealized gains (losses) on investments						108
Change in unrealized gains (losses) on cash flow hedges						274
Foreign currency translation adjustment						(323)
Tax benefit (provision) on above items						(44)
Distribution of PayPal					0	0
Common stock, end of period (in shares) at Dec. 31, 2014	1,224	1,224
Stockholders' equity, end of period at Dec. 31, 2014	$ 19,906	$ 2	13,887	(14,054)	18,900	1,171
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued		$ 0
Common stock issued (in shares)		19
Common stock repurchased/forfeited		$ 0
Common stock repurchased/forfeited (in shares)	(59)	(59)
Common stock and stock-based awards issued and assumed			230
Tax withholdings related to net share settlements of restricted stock awards and units			(245)
Stock-based compensation			576
Stock-based awards tax impact			90
Common stock repurchased	$ (2,100)			(2,149)
Net income	$ 1,725				1,725
Change in unrealized gains (losses) on investments						(187)
Change in unrealized gains (losses) on cash flow hedges						(65)
Foreign currency translation adjustment						(431)
Tax benefit (provision) on above items						50
Distribution of PayPal					(12,912)	(12)
Common stock, end of period (in shares) at Dec. 31, 2015	1,184	1,184
Stockholders' equity, end of period at Dec. 31, 2015	$ 6,576	$ 2	$ 14,538	$ (16,203)	$ 7,713	$ 526