Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows - operation activities:
Net earnings	$ 1,219	$ 1,336
Non-cash items –
Share-based plans expense	51	50
Depreciation and amortization	443	459
Investment/asset impairment charges, net	33	17
Customer financing valuation benefit	(2)	(2)
Gain on dispositions, net	(4)	(1)
Other charges and credits, net	84	76
Excess tax benefits from share-based payment arrangements	(44)	(112)
Changes in assets and liabilities –
Accounts receivable	(1,002)	(389)
Inventories, net of advances and progress billings	(56)	(1,822)
Accounts payable	960	848
Accrued liabilities	(467)	(900)
Advances and billings in excess of related costs	(435)	(422)
Income taxes receivable, payable and deferred	273	443
Other long-term liabilities	(116)	(82)
Pension and other postretirement plans	79	608
Customer financing, net	276	31
Other	(61)	(50)
Net cash provided by operating activities	1,231	88
Cash flows – investing activities:
Property, plant and equipment additions	(748)	$ (574)
Property, plant and equipment reductions	11
Contributions to investments	(204)	$ (807)
Proceeds from investments	493	1,159
Other	10	8
Net cash used by investing activities	(438)	(214)
Cash flows – financing activities:
New borrowings	115	761
Debt repayments	(128)	(813)
Stock options exercised	42	231
Excess tax benefits from share-based payment arrangements	44	112
Employee taxes on certain share-based payment arrangements	(76)	(87)
Common shares repurchased	(3,501)	(2,500)
Dividends paid	(717)	(639)
Net cash used by financing activities	(4,221)	(2,935)
Effect of exchange rate changes on cash and cash equivalents	12	(17)
Net decrease in cash and cash equivalents	(3,416)	(3,078)
Cash and cash equivalents at beginning of year	11,302	11,733
Cash and cash equivalents at end of period	$ 7,886	$ 8,655