Condensed Consolidated Statement of Cash Flows (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating Activities of Continuing Operations:
Net income from continuing operations	$ 1,258,000,000	$ 1,054,000,000
Adjustments to reconcile net income from continuing operations to net cash flows provided by operating activities of continuing operations:
Depreciation and amortization	320,000,000	316,000,000
Deferred income tax provision	159,000,000	122,000,000
Stock compensation cost	48,000,000	50,000,000
Change in:
Accounts receivable	477,000,000	(41,000,000)
Inventories and contracts in progress	(719,000,000)	(817,000,000)
Other current assets	(13,000,000)	(70,000,000)
Accounts payable and accrued liabilities	64,000,000	656,000,000
Global pension contributions	(13,000,000)	(29,000,000)
Other operating activities, net	269,000,000	(79,000,000)
Net cash flows provided by operating activities of continuing operations	1,312,000,000	1,320,000,000
Investing Activities of Continuing Operations:
Capital expenditures	(188,000,000)	(171,000,000)
Investments in businesses	(72,000,000)	(106,000,000)
Dispositions of businesses	52,000,000	49,000,000
Decrease in customer financing assets, net	16,000,000	18,000,000
Other investing activities, net	80,000,000	8,000,000
Net cash flows used in investing activities of continuing operations	(112,000,000)	(202,000,000)
Financing Activities of Continuing Operations:
Repayment of long-term debt, net	(63,000,000)	(33,000,000)
(Decrease) increase in short-term borrowings, net	(404,000,000)	226,000,000
Common Stock issued under employee stock plans	120,000,000	89,000,000
Dividends paid on Common Stock	(412,000,000)	(368,000,000)
Repurchase of Common Stock	0	(727,000,000)
Other financing activities, net	(78,000,000)	(58,000,000)
Net cash flows used in financing activities of continuing operations	(837,000,000)	(871,000,000)
Discontinued Operations:
Net cash (used in) provided by operating activities	(10,000,000)	41,000,000
Net cash provided by investing activities	1,000,000	1,000,000
Net cash used in financing activities	(2,000,000)	(8,000,000)
Net Cash provided by (used in) discontinued operations	(11,000,000)	34,000,000
Effect of foreign exchange rate changes on cash and cash equivalents	50,000,000	76,000,000
Net increase in cash and cash equivalents	402,000,000	357,000,000
Cash and cash equivalents, beginning of year	5,960,000,000	4,083,000,000
Cash and cash equivalents, end of period	6,362,000,000	4,440,000,000
Less: Cash and cash equivalents of discontinued operations	77,000,000	0
Cash and cash equivalents of continuing operations, end of period	$ 6,285,000,000	$ 4,440,000,000