Condensed Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows - operation activities:
Net earnings	$ 1,106	$ 923
Non-cash items –
Share-based plans expense	58	50
Depreciation and amortization	429	426
Investment/asset impairment charges, net	26	36
Customer financing valuation provision	(3)
Loss on disposal of discontinued operations		2
Gain on dispositions, net	(22)
Other charges and credits, net	53	150
Excess tax benefits from share-based payment arrangements	(23)	(40)
Changes in assets and liabilities –
Accounts receivable	(437)	(729)
Inventories, net of advances and progress billings	(3,000)	(497)
Accounts payable	654	506
Accrued liabilities	(1,133)	(1,032)
Advances and billings in excess of related costs	1,833	(160)
Income taxes receivable, payable and deferred	214	333
Other long-term liabilities	(73)	(45)
Pension and other postretirement plans	821	724
Customer financing, net	24	196
Other	(3)	(6)
Net cash provided by operating activities	524	837
Cash flows – investing activities:
Property, plant and equipment additions	(521)	(424)
Property, plant and equipment reductions	33	4
Acquisitions, net of cash acquired	(26)
Contributions to investments	(2,955)	(3,718)
Proceeds from investments	2,655	1,135
Net cash used by investing activities	(814)	(3,003)
Cash flows – financing activities:
New borrowings	15	20
Debt repayments	(1,262)	(811)
Repayments of distribution rights financing	(138)	(72)
Stock options exercised, other	76	28
Excess tax benefits from share-based payment arrangements	23	40
Employee taxes on certain share-based payment arrangements	(52)	(64)
Dividends paid	(367)	(328)
Net cash used by financing activities	(1,705)	(1,187)
Effect of exchange rate changes on cash and cash equivalents	(11)	22
Net decrease in cash and cash equivalents	(2,006)	(3,331)
Cash and cash equivalents at beginning of year	10,341	10,049
Cash and cash equivalents at end of period	$ 8,335	$ 6,718