Condensed Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating Activities of Continuing Operations:
Income from continuing operations	$ 2,997	$ 2,822
Adjustments to reconcile income from continuing operations to net cash flows provided by operating activities of continuing operations:
Depreciation and amortization	883	625
Deferred income tax provision	10	11
Stock compensation cost	133	96
Change in:
Accounts receivable	(282)	262
Inventories and contracts in progress	(974)	(1,049)
Other current assets	68	(58)
Accounts payable and accrued liabilities	924	744
Global pension contributions	(51)	(24)
Other operating activities, net	(360)	(403)
Net cash flows provided by operating activities of continuing operations	3,348	3,026
Investing Activities of Continuing Operations:
Capital expenditures	(664)	(431)
Investments in businesses	(66)	(209)
Dispositions of businesses	1,299	284
(Increase) decrease in customer financing assets, net	(27)	26
Increase in restricted cash, net	(2)	(10,696)
Increase in collaboration intangible assets	(300)	(1,244)
Other investing activities, net	(132)	(2)
Net cash flows provided by (used in) investing activities of continuing operations	108	(12,272)
Financing Activities of Continuing Operations:
(Repayment) issuance of long-term debt, net	(1,224)	10,784
Decrease in short-term borrowings, net	(302)	(418)
Proceeds from Common Stock issued under employee stock plans	222	138
Dividends paid on Common Stock	(930)	(825)
Repurchase of Common Stock	(670)	0
Other financing activities, net	(83)	(302)
Net cash flows (used in) provided by financing activities of continuing operations	(2,987)	9,377
Discontinued Operations:
Net cash (used in) provided by operating activities	(694)	3
Net cash provided by (used in) investing activities	351	(7)
Net cash used in financing activities	0	0
Net Cash used in discontinued operations	(343)	(4)
Effect of foreign exchange rate changes on cash and cash equivalents	(53)	(37)
Net increase in cash and cash equivalents	73	90
Cash and cash equivalents, beginning of year	4,836	5,960
Cash and cash equivalents, end of period	4,909	6,050
Less: Cash and cash equivalents of businesses held for sale	0	84
Cash and cash equivalents of continuing operations, end of period	$ 4,909	$ 5,966