Basis of Presentation (Unaudited) (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Current Period Impact of Reclassification			$ (196)
Prior Period Reclassification Adjustment					(277)
Accumulated Other Comprehensive Loss
Unamortized benefit plan costs, net of tax benefit of $1,888 as of September 30, 2014 and $1,972 as of December 31, 2013	(2,873)		(2,873)		(3,000)
Cumulative translation adjustment	(6)		(6)		18
Net unrealized gain (loss) on marketable securities and cash flow hedges, net of tax	1		1		(2)
Total accumulated other comprehensive loss	(2,878)		(2,878)		(2,984)
Unamortized benefit plan costs - Tax Benefit (expense)	1,888		1,888		1,972
Unamortized benefit plan costs, net actuarial losses, after-tax	3,200		3,200		3,300
Unamortized benefit plan costs, reclassified from other comprehensive income to net earnings	$ 35	$ 78	$ 108	$ 237