Condensed Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows - operation activities:
Net earnings	$ 1,890	$ 1,527
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Share-based plans	99	96
Depreciation and amortization	848	816
Investment/asset impairment charges, net	45	16
Customer financing valuation provision	(1)	(65)
Loss on disposal of discontinued operations	2	4
Loss/(gain) on dispositions, net	(2)	20
Other charges and credits, net	361	223
Excess tax benefits from share-based payment arrangements	(39)	(32)
Changes in assets and liabilities -
Accounts receivable	(310)	(747)
Inventories, net of advances and progress billings	(2,737)	(4,889)
Accounts payable	742	1,134
Accrued liabilities	(594)	(268)
Advances and billings in excess of related costs	(152)	626
Income taxes receivable, payable and deferred	705	685
Other long-term liabilities	(15)	54
Pension and other postretirement plans	686	1,199
Customer financing, net	216	210
Other	(3)	74
Net cash provided by operating activities	1,745	643
Cash flows - investing activities:
Property, plant and equipment additions	(780)	(762)
Property, plant and equipment reductions	16	19
Acquisitions, net of cash acquired	(18)	(16)
Contributions to investments	(6,396)	(4,454)
Proceeds from investments	3,596	5,902
Receipt of economic development program funds		69
Purchase of distribution rights	(6)
Net cash used by investing activities	(3,588)	758
Net Cash Provided by (Used in) Financing Activities [Abstract]
New borrowings	24	36
Debt repayments	(1,233)	(851)
Repayments of distribution rights financing	(72)	(406)
Stock options exercised, other	71	80
Excess tax benefit from share-based payment arrangments	39	32
Employee taxes on certain share-based payment arrangements	(68)	(18)
Dividends paid	658	620
Net cash used by financing activities	(1,897)	(1,747)
Effect of exchange rate changes on cash and cash equivalents	(4)	37
Net decrease in cash and cash equivalents	(3,744)	(309)
Cash and cash equivalents at beginning of year	10,049	5,359
Cash and cash equivalents at end of period	$ 6,305	$ 5,050