Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Activities
Net earnings	$ 1,563	$ 1,474
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	322	345
Stock-based compensation	93	118
Excess tax benefits from stock-based compensation	(75)	(37)
Deferred income taxes	76	89
Changes in assets and liabilities:
Accounts receivable, net	(531)	(147)
Inventoried costs, net	43	10
Prepaid expenses and other assets	(30)	(53)
Accounts payable and other liabilities	(514)	(296)
Income taxes payable	201	92
Retiree benefits	5	(331)
Other, net	(50)	15
Net cash provided by operating activities	1,103	1,279
Investing activities
Capital expenditures	(285)	(178)
Other investing activities, net	(72)	9
Net cash used in investing activities	(357)	(169)
Financing activities
Common stock repurchases	(2,058)	(1,661)
Cash dividends paid	(423)	(411)
Net proceeds from issuance of long-term debt	0	2,841
Payments of long-term debt	0	877
Other financing activities, net	(13)	80
Net cash used in financing activities	(2,494)	(28)
(Decrease) increase in cash and cash equivalents	(1,748)	1,082
Cash and cash equivalents, beginning of year	5,150	3,862
Cash and cash equivalents, end of period	$ 3,402	$ 4,944