Consolidated Statements of Changes in Shareholders' Equity (USD $) In Millions, unless otherwise specified	Total	Common stock and capital in excess of par value	Accumulated other comprehensive income	Retained earnings	Treasury stock	Noncontrolling interests
Balance at Dec. 31, 2011	$ 168,961	$ 37,815	$ 17,654	$ 109,448	$ (67)	$ 4,111
Net earnings	10,651			10,273		378
Other comprehensive income, net	9,413		9,396			17
Issuance (repurchase) of common stock	83	83
Changes in noncontrolling interests:
Interests acquired and other transactions	(34)					(34)
Balance at Sep. 30, 2012	189,074	37,898	27,050	119,721	(67)	4,472
Balance at Dec. 31, 2012	191,588	37,238	27,500	124,272	(1,363)	3,941
Net earnings	14,782			14,486		296
Other comprehensive income, net	7,409		7,409
Issuance (repurchase) of common stock	80	80
Changes in noncontrolling interests:
Interests acquired and other transactions	(2,428)	(1,228)	(12)			(1,188)
Balance at Sep. 30, 2013	$ 211,431	$ 36,090	$ 34,897	$ 138,758	$ (1,363)	$ 3,049