Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Operating Activities
Net earnings	$ 2,655		$ 2,878		$ 2,973
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	1,008		1,052		1,014
Stock-based compensation	157		168		154
Deferred income taxes	(2)		452		567
Severance and other charges	136	[1]	220	[1]
Reduction in tax expense from resolution of certain tax matters	(89)		(10)		(69)
Tax expense related to Medicare Part D reimbursement			96
Net adjustments related to discontinued operations	(16)		(257)
Changes in assets and liabilities:
Receivables, net	(363)		3		(685)
Inventories, net	(74)		(207)		(237)
Accounts payable	609		(364)		(21)
Customer advances and amounts in excess of costs incurred	502		706		496
Postretirement benefit plans	(393)		(1,027)		(394)
Income taxes	304		70		(272)
Other, net	(181)		21		(39)
Net cash provided by operating activities	4,253		3,801		3,487
Investing Activities
Expenditures for property, plant and equipment	(814)		(820)		(852)
Expenditures for capitalized internal-use software	(173)		(254)		(314)
Net cash provided by (used for) short-term investment transactions	510		(171)		(279)
Net proceeds from sale of EIG			798
Acquisitions of businesses / investments in affiliates	(649)		(148)		(435)
Other, net	313		22		48
Net cash used for investing activities	(813)		(573)		(1,832)
Financing Activities
Repurchases of common stock	(2,465)		(2,420)		(1,851)
Common stock dividends	(1,095)		(969)		(908)
Issuance of long-term debt, net of related costs	1,980				1,464
Repayments of long-term debt	(632)				(242)
Other, net	93		31		105
Net cash used for financing activities	(2,119)		(3,358)		(1,432)
Net increase (decrease) in cash and cash equivalents	1,321		(130)		223
Cash and cash equivalents at beginning of year	2,261		2,391		2,168
Cash and cash equivalents at end of year	$ 3,582		$ 2,261		$ 2,391

[1] Severance and other charges include the severance charges recorded in 2011 associated with Aeronautics, IS&GS, and Space Systems business segments, and Corporate Headquarters, and for 2010, included the charges related to the VESP and facilities consolidation within Electronic Systems (Note 2).