Equity (Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Millions	Oct. 01, 2011	Jan. 01, 2011
Foreign currency translation adjustments	$ (834)	$ (789)
Cash flow hedges - unrealized net loss	(5)	25
Total accumulated other comprehensive income (loss)	(1,926)	(1,914)	[1]
Net Experience Loss [Member]
Postretirement and postemployment benefits	(1,019)	(1,075)
Prior Service Cost [Member]
Postretirement and postemployment benefits	$ (68)	$ (75)

[1] * Condensed from audited financial statements.