Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock and Capital in Excess of Par Value [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]
Beginning Balance, shares at Dec. 28, 2013		4,967
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock, shares		(332)
Restricted stock unit withholdings, shares		(12)
Ending Balance, shares at Dec. 27, 2014		4,748
Beginning Balance at Dec. 28, 2013	$ 58,256	$ 21,536	$ 1,243	$ 35,477
Components of comprehensive income, net of tax:
Net income	11,704			11,704
Other comprehensive income (loss)	(577)		(577)
Total comprehensive income	11,127
Proceeds From Sales Of Shares Through Employee Equity Incentive Plans, Net Excess Tax Benefit Tax Deficiency, And Other, Shares		125
Proceeds From Sales Of Shares Through Employee Equity Incentive Plans, Net Excess Tax Benefit Tax Deficiency, And Other	1,787	$ 1,787
Share-based compensation	1,140	1,140
Temporary equity reclassification	(912)	(912)
Repurchase of common stock	(10,792)	(1,438)		(9,354)
Restricted stock unit withholdings	(332)	(332)		0
Cash dividends declared	(4,409)			(4,409)
Ending Balance at Dec. 27, 2014	$ 55,865	$ 21,781	666	33,418
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock, shares		(96)
Restricted stock unit withholdings, shares		(14)
Ending Balance, shares at Dec. 26, 2015	4,725	4,725
Components of comprehensive income, net of tax:
Net income	$ 11,420			11,420
Other comprehensive income (loss)	(606)		(606)
Total comprehensive income	10,814
Proceeds From Sales Of Shares Through Employee Equity Incentive Plans, Net Excess Tax Benefit Tax Deficiency, And Other, Shares		87
Proceeds From Sales Of Shares Through Employee Equity Incentive Plans, Net Excess Tax Benefit Tax Deficiency, And Other	1,076	$ 1,076
Share-based compensation	1,314	1,314
Temporary equity reclassification	15	15
Repurchase of common stock	(3,001)	(453)		(2,548)
Restricted stock unit withholdings	(442)	(322)		(120)
Cash dividends declared	(4,556)			(4,556)
Ending Balance at Dec. 26, 2015	$ 61,085	$ 23,411	60	37,614
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock, shares		(81)
Restricted stock unit withholdings, shares		(15)
Ending Balance, shares at Dec. 31, 2016	4,730	4,730
Components of comprehensive income, net of tax:
Net income	$ 10,316			10,316
Other comprehensive income (loss)	46		46
Total comprehensive income	10,362
Proceeds From Sales Of Shares Through Employee Equity Incentive Plans, Net Excess Tax Benefit Tax Deficiency, And Other, Shares		101
Proceeds From Sales Of Shares Through Employee Equity Incentive Plans, Net Excess Tax Benefit Tax Deficiency, And Other	1,307	$ 1,307
Share-based compensation	1,438	1,438
Temporary equity reclassification	15	15
Repurchase of common stock	(2,592)	(412)		(2,180)
Restricted stock unit withholdings	(464)	(386)		(78)
Cash dividends declared	(4,925)			(4,925)
Ending Balance at Dec. 31, 2016	$ 66,226	$ 25,373	$ 106	$ 40,747