Consolidated Statements of Earnings and Comprehensive Income (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Sales
Product	$ 14,033	$ 13,838	$ 15,073
Service	10,628	11,380	11,339
Total sales	24,661	25,218	26,412
Operating costs and expenses
Product	10,623	10,415	11,491
Service	8,659	9,223	9,295
General and administrative expenses	2,256	2,450	2,350
Operating income	3,123	3,130	3,276
Other (expense) income
Interest expense	(257)	(212)	(221)
Other, net	(3)	47	28
Earnings from continuing operations before income taxes	2,863	2,965	3,083
Federal and foreign income tax expense	911	987	997
Earnings from continuing operations	1,952	1,978	2,086
Earnings from discontinued operations, net of tax	0	0	32
Net earnings	1,952	1,978	2,118
Basic earnings per share
Continuing operations (in dollars per share)	$ 8.50	$ 7.96	$ 7.54
Discontinued operations (in dollars per share)	$ 0.00	$ 0.00	$ 0.11
Basic earnings per share (in dollars per share)	$ 8.50	$ 7.96	$ 7.65
Weighted-average common shares outstanding, in millions	229.6	248.6	276.8
Diluted earnings per share
Continuing operations (in dollars per share)	$ 8.35	$ 7.81	$ 7.41
Discontinued operations (in dollars per share)	$ 0.00	$ 0.00	$ 0.11
Diluted earnings per share (in dollars per share)	$ 8.35	$ 7.81	$ 7.52
Weighted-average diluted shares outstanding, in millions	233.9	253.4	281.6
Net earnings (from above)	1,952	1,978	2,118
Other comprehensive income
Change in unamortized benefit plan costs, net of tax (expense) benefit of ($1,177) in 2013, $860 in 2012 and $823 in 2011	1,790	(1,303)	(1,249)
Change in cumulative translation adjustment	14	8	(4)
Change in unrealized loss on marketable securities and cash flow hedges, net of tax benefit of $1 in 2013, $0 in 2012 and $2 in 2011	(1)	(2)	(4)
Other comprehensive income (loss), net of tax	1,803	(1,297)	(1,257)
Comprehensive income	$ 3,755	$ 681	$ 861