Condensed Consolidated Statement of Changes in Shareowners' Equity (Unaudited) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011
Statement Of Changes In Shareowners Equity [Abstract]
Balance January 1	$ 77,110		$ 68,984
Dividends and other transactions with shareowners	(1,486)		0
Other comprehensive income attributable to Company	1,013		1,885
Net earnings (loss) attributable to the Company	4,712		5,090
Balance September 30	81,349		75,959
Noncontrolling interests	711	[1]	1,205
Total equity balance at September 30	$ 82,060		$ 77,164

[1] (c) Included accumulated other comprehensive income − net attributable to noncontrolling interests of $(140) million and $(141) million at September 30, 2012 and December 31, 2011, respectively.