Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows - operation activities:
Net earnings/(loss)	$ 3,212	$ 985
Non-cash items –
Share-based plans expense	98	97
Depreciation and amortization	965	890
Investment/asset impairment charges, net	46	50
Customer financing valuation expense/(benefit)	5	(4)
Loss on dispositions, net		9
Other charges and credits, net	129	141
Changes in assets and liabilities –
Accounts receivable	(912)	(503)
Inventories, net of advances and progress billings	877	3,004
Accounts payable	419	1,221
Accrued liabilities	(680)	(269)
Advances and billings in excess of related costs	1,934	(954)
Income taxes receivable, payable and deferred	712	(494)
Other long-term liabilities	(18)	(103)
Pension and other postretirement plans	13	181
Customer financing, net	343	275
Other	(99)	(61)
Net cash provided by operating activities	7,044	4,465
Cash flows – investing activities:
Property, plant and equipment additions	(905)	(1,419)
Property, plant and equipment reductions	25	13
Contributions to investments	(1,820)	(657)
Proceeds from investments	1,441	705
Purchase of distribution rights	(131)
Other	4	8
Net cash used by investing activities	(1,386)	(1,350)
Cash flows – financing activities:
New borrowings	874	1,323
Debt repayments	(56)	(267)
Repayments of distribution rights and other asset financing		(24)
Stock options exercised	240	147
Employee taxes on certain share-based payment arrangements	(112)	(79)
Common shares repurchased	(5,000)	(5,501)
Dividends paid	(1,720)	(1,408)
Net cash used by financing activities	(5,774)	(5,809)
Effect of exchange rate changes on cash and cash equivalents	52	(3)
Net decrease in cash and cash equivalents	(64)	(2,697)
Cash and cash equivalents at beginning of year	8,801	11,302
Cash and cash equivalents at end of period	$ 8,737	$ 8,605