Condensed Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Activities of Continuing Operations:
Income from continuing operations	$ 5,048	$ 4,523
Adjustments to reconcile income from continuing operations to net cash flows provided by operating activities of continuing operations:
Depreciation and amortization	1,418	1,335
Deferred income tax provision	118	13
Stock compensation cost	203	216
Change in:
Accounts receivable	159	(198)
Inventories and contracts in progress	(1,345)	(1,461)
Other current assets	(128)	118
Accounts payable and accrued liabilities	(82)	1,077
Global pension contributions	(204)	(72)
Other operating activities, net	(162)	(660)
Net cash flows provided by operating activities of continuing operations	5,025	4,891
Investing Activities of Continuing Operations:
Capital expenditures	(1,154)	(1,047)
Investments in businesses	(378)	(120)
Dispositions of businesses	244	1,465
Decrease (increase) in customer financing assets, net	72	(121)
Increase in collaboration intangible assets	(459)	(547)
Other investing activities, net	199	(229)
Net cash flows used in provided by investing activities of continuing operations	(1,476)	(599)
Financing Activities of Continuing Operations:
Repayment of long-term debt, net	(222)	(1,795)
Decrease in short-term borrowings, net	(128)	(204)
Proceeds from Common Stock issued under employee stock plans	131	336
Dividends paid on Common Stock	(1,538)	(1,395)
Repurchase of Common Stock	(1,095)	(1,000)
Other financing activities, net	(222)	(168)
Net cash flows used in financing activities of continuing operations	(3,074)	(4,226)
Discontinued Operations:
Net cash used in operating activities	0	(603)
Net cash provided by investing activities	0	351
Net cash flows used in discontinued operations	0	(252)
Effect of foreign exchange rate changes on cash and cash equivalents	(59)	(29)
Net increase (decrease) in cash and cash equivalents	416	(215)
Cash and cash equivalents, beginning of year	4,619	4,836
Cash and cash equivalents, end of period	$ 5,035	$ 4,621