Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net earnings	$ (332)	$ 2,526	$ 2,624
Net gain (loss) on cash flow hedges	(23)	(81)	89
Unrealized gains (losses) on securities	6	(1)	1
Foreign currency translation adjustments	141	(89)	308
Change in retirement plans' funded status	(1,149)	(1,129)	(878)
Other comprehensive income (loss) before tax	(1,025)	(1,300)	(480)
Provision (benefit) for income tax, net	(562)	(424)	(251)
Other comprehensive income (loss), net of tax	(463)	(876)	(229)
Comprehensive income	$ (795)	$ 1,650	$ 2,395