Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash flows - operation activities:
Net earnings	$ 3,900	$ 4,018	$ 3,307
Non-cash items -
Share-based plans expense	193	186	215
Depreciation and amortization	1,811	1,675	1,746
Investment/asset impairment charges, net	84	119	174
Customer financing valuation (benefit)/provision	(10)	(269)	51
Loss/(gain) on disposal of discontinued operations	5	(11)	6
Gain on dispositions, net	(4)	(24)	(6)
Other charges and credits, net	694	500	512
Excess tax benefits from share-based payment arrangements	(45)	(36)	(19)
Changes in assets and liabilities –
Accounts receivable	(27)	(292)	8
Inventories, net of advances and progress billings	(5,681)	(10,012)	(7,387)
Accounts payable	1,199	1,164	313
Accrued liabilities	801	237	668
Advances and billings in excess of related costs	1,177	3,173	238
Income taxes receivable, payable and deferred	1,605	1,262	822
Other long-term liabilities	157	127	328
Pension and other postretirement plans	1,288	2,126	1,335
Customer financing, net	407	(6)	717
Other	(46)	86	(76)
Net cash provided by operating activities	7,508	4,023	2,952
Cash flows - investing activities:
Property, plant and equipment additions	(1,703)	(1,713)	(1,125)
Property, plant and equipment reductions	97	94	63
Acquisitions, net of cash acquired	(124)	(42)	(932)
Contributions to investments	(12,921)	(6,796)	(15,548)
Proceeds from investments	10,901	10,757	12,425
Reimbursement of Sea Launch guarantee payments			82
Receipt of economic development program funds		69	206
Purchase of distribution rights	(7)		(2)
Net cash (used)/provided by investing activities	(3,757)	2,369	(4,831)
Cash flows - financing activities
New borrowings	60	799	41
Debt repayments	(2,076)	(930)	(689)
Repayments of distribution rights financing	(228)	(451)	(137)
Stock options exercised, other	120	114	87
Excess tax benefits from share-based payment arrangements	45	36	19
Employee taxes on certain share-based payment arrangements	(76)	(24)	(30)
Dividends paid	(1,322)	(1,244)	(1,253)
Net cash used by financing activities	(3,477)	(1,700)	(1,962)
Effect of exchange rate changes on cash and cash equivalents	18	(2)	(15)
Net increase/(decrease) in cash and cash equivalents	292	4,690	(3,856)
Cash and cash equivalents at beginning of year	10,049	5,359	9,215
Cash and cash equivalents at end of year	$ 10,341	$ 10,049	$ 5,359