Condensed Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Operating Activities of Continuing Operations:
Income from continuing operations	$ 1,306	$ 1,352
Adjustments to reconcile income from continuing operations to net cash flows provided by operating activities of continuing operations:
Depreciation and amortization	467	444
Deferred income tax provision (benefit)	44	(40)
Stock compensation cost	60	70
Change in:
Accounts receivable	(66)	209
Inventories and contracts in progress	(712)	(746)
Other current assets	(5)	(56)
Accounts payable and accrued liabilities	262	395
Global pension contributions	(84)	(29)
Other operating activities, net	63	(190)
Net cash flows provided by operating activities of continuing operations	1,335	1,409
Investing Activities of Continuing Operations:
Capital expenditures	(333)	(295)
Investments in businesses	(17)	(24)
Dispositions of businesses	123	746
Decrease in customer financing assets, net	12	31
Increase in collaboration intangible assets	(142)	(157)
Other investing activities, net	(85)	38
Net cash flows (used in) provided by investing activities of continuing operations	(442)	339
Financing Activities of Continuing Operations:
Issuance (repayment) of long-term debt, net	6	(46)
Decrease in short-term borrowings, net	(200)	(329)
Proceeds from Common Stock issued under employee stock plans	86	153
Dividends paid on Common Stock	(514)	(465)
Repurchase of Common Stock	(335)	(335)
Other financing activities, net	(38)	3
Net cash flows used in financing activities of continuing operations	(995)	(1,019)
Discontinued Operations:
Net cash used in operating activities	0	(715)
Net cash used in investing activities	0	(51)
Net Cash used in discontinued operations	0	(766)
Effect of foreign exchange rate changes on cash and cash equivalents	(40)	(18)
Net decrease in cash and cash equivalents	(142)	(55)
Cash and cash equivalents, beginning of year	4,619	4,836
Cash and cash equivalents, end of period	4,477	4,781
Less: Cash and cash equivalents of businesses held for sale	0	14
Cash and cash equivalents of continuing operations, end of period	$ 4,477	$ 4,767