Shareowners' Equity (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011	Jun. 30, 2012		Jun. 30, 2011
Changes To Noncontrolling Interest
Beginning balance	$ 767		$ 1,178	$ 690	[1]	$ 1,164
Net earnings	14		20	26		51
Dividends	(1)		(5)	(5)		(13)
Dispositions	0		0	0		0
AOCI and other	(21)		8	48		(1)
Ending balance	$ 759	[1]	$ 1,201	$ 759	[1]	$ 1,201

[1] (c) Included accumulated other comprehensive income − net attributable to noncontrolling interests of $(142) million and $(141) million at June 30, 2012 and December 31, 2011, respectively.