Consolidated Statements of Stockholders' Equity (USD $) In Millions, unless otherwise specified	Total	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Common Stock and Capital in Excess of Par Value
Beginning Balance at Dec. 26, 2009	$ 41,704	$ 393	$ 26,318	$ 14,993
Beginning Balance, shares at Dec. 26, 2009				5,523
Proceeds from sales of shares through employee equity incentive plans, net excess tax benefit/tax deficiency, and other, shares				68
Repurchase of Common Stock, Shares				(80.0)
Components of comprehensive income, net of tax:
Net income	11,464		11,464
Other comprehensive income (loss)	(60)	(60)
Total comprehensive income	11,404
Proceeds from sales of shares through employee equity incentive plans, net excess tax benefit/tax deficiency, and other	644			644
Share-based compensation	917			917
Repurchase of Common Stock, Value	(1,736)		(1,360)	(376)
Cash dividends declared	(3,503)		(3,503)
Ending Balance at Dec. 25, 2010	49,430	333	32,919	16,178
Ending Balance, shares at Dec. 25, 2010				5,511
Proceeds from sales of shares through employee equity incentive plans, net excess tax benefit/tax deficiency, and other, shares				142
Repurchase of Common Stock, Shares				(653.0)
Components of comprehensive income, net of tax:
Net income	12,942		12,942
Other comprehensive income (loss)	(1,114)	(1,114)
Total comprehensive income	11,828
Proceeds from sales of shares through employee equity incentive plans, net excess tax benefit/tax deficiency, and other	2,019			2,019
Assumption of equity awards in connection with acquisitions	48			48
Share-based compensation	1,053			1,053
Repurchase of Common Stock, Value	(14,340)		(12,078)	(2,262)
Cash dividends declared	(4,127)		(4,127)
Ending Balance at Dec. 31, 2011	45,911	(781)	29,656	17,036
Ending Balance, shares at Dec. 31, 2011	5,000			5,000
Proceeds from sales of shares through employee equity incentive plans, net excess tax benefit/tax deficiency, and other, shares				148
Repurchase of Common Stock, Shares				(204.0)
Components of comprehensive income, net of tax:
Net income	11,005		11,005
Other comprehensive income (loss)	382	382
Total comprehensive income	11,387
Proceeds from sales of shares through employee equity incentive plans, net excess tax benefit/tax deficiency, and other	2,257			2,257
Share-based compensation	1,108			1,108
Repurchase of Common Stock, Value	(5,110)		(4,173)	(937)
Cash dividends declared	(4,350)		(4,350)
Ending Balance at Dec. 29, 2012	$ 51,203	$ (399)	$ 32,138	$ 19,464
Ending Balance, shares at Dec. 29, 2012	4,944			4,944