Gains (Losses) on Other Equity Investments, Net (Detail) (USD $) In Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2011	Sep. 25, 2010	Oct. 01, 2011	Sep. 25, 2010
Gains (Losses) on Other Equity Investments, Net Detail [Abstract]
Impairment charges	$ (79)	$ (32)	$ (102)	$ (85)
Gains on sales, net	189	22	276	125
Other, net	22	(39)	69	36
Total gains (losses) on other equity investments, net	$ 132	$ (49)	$ 243	$ 76