Equity (Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Millions, unless otherwise specified	Sep. 29, 2012	Dec. 31, 2011
Foreign currency translation adjustments	$ (819)	$ (896)
Cash flow hedges - unrealized net gain (loss)	(7)	(9)
Total accumulated other comprehensive income (loss)	(2,323)	(2,458)	[1]
Net Experience Loss [Member]
Postretirement and postemployment benefits	(1,432)	(1,483)
Prior Service Cost [Member]
Postretirement and postemployment benefits	$ (65)	$ (70)

[1] * Condensed from audited financial statements.