Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 9,620	$ 11,005	$ 12,942
Other comprehensive income, net of tax:
Change in net unrealized holding gains (losses) on available-for-sale investments	1,181	470	(170)
Change in net deferred tax asset valuation allowance	(26)	(11)	(99)
Change in net unrealized holding gains (losses) on derivatives	(89)	85	(119)
Change in net prior service costs	18	0	4
Change in actuarial valuation	520	(172)	(588)
Change in net foreign currency translation adjustment	38	10	(142)
Other comprehensive income (loss)	1,642	382	(1,114)
Total comprehensive income	$ 11,262	$ 11,387	$ 11,828