Statement of Changes in Shareowners' Equity (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Changes In Shareowners Equity [Abstract]
Beginning balance at January 1	$ 77,110		$ 68,984		$ 70,833
Net earnings (loss) attributable to the Company	6,215		6,510		2,155
Dividends and other	(6,549)		0		50
Other comprehensive income (loss) attributable to Company	1,156		1,615		(2,179)
Changes in additional paid-in capital	3,958		1		35
Cumulative effect of changes in accounting principles(a)	0	[1]	0	[1]	(1,910)	[1]
Ending balance at December 31	81,890		77,110		68,984
Noncontrolling interests	707	[2]	690	[2]	1,164
Total equity balance at December 31	$ 82,597		$ 77,800		$ 70,148

[1] (a) On January 1, 2010, we adopted amendments to Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) 860, Transfers and Servicing, and ASC 810, Consolidation, and recorded a cumulative effect adjustment. See Notes 11 and 17.

[2] (c) Included accumulated other comprehensive income attributable to noncontrolling interests of $(129) million and $(141) million at December 31, 2012 and 2011, respectively.