Condensed Consolidated Statements of Cash Flows Reconciliation of Net Earnings to Net Cash Provided by Operating Activities (Unaudited) (USD $) In Millions	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010
Reconciliation of Net Earnings to Net Cash (Used in) Provided by Operating Activities
Net earnings	$ 1,570	$ 1,677
Net earnings from discontinued operations	(34)	(79)
Adjustments to reconcile to net cash provided by operating activities
Depreciation	334	312
Amortization of assets	53	83
Stock-based compensation	97	103
Excess tax benefits from stock-based compensation	(24)	(12)
(Increase) decrease in
Accounts receivable, net	(20)	(558)
Inventoried costs, net	22	(46)
Prepaid expenses and other current assets	11	(2)
Increase (decrease) in
Accounts payable and accruals	(848)	(417)
Deferred income taxes	205	85
Income taxes payable	4	(121)
Retiree benefits	(416)	(61)
Other, net	72	(48)
Cash provided by continuing operations	1,026	916
Cash (used in) provided by discontinued operations	(232)	150
Net cash provided by operating activities	794	1,066
Non-Cash Investing and Financing Activities
Share repurchases accrued in accounts payable	63	6
Capital expenditures accrued in accounts payable	31	26
Capital expenditures accrued in liabilities from discontinued operations		$ 29

Capital expenditures accrued in liabilities from discontinued operations.

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Share repurchases accrued in accounts payable.

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The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Reductions in the entity's income taxes that arise when compensation cost (from non-qualified equity-based compensation) recognized on the entity's tax return exceeds compensation cost from equity-based compensation recognized in financial statements. This element reduces net cash provided by operating activities.

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This element represents the overall income (loss) from a disposal group that is classified as a component of the entity, net of income tax, reported as a separate component of income before extraordinary items before deduction or consideration of the amount which may be allocable to noncontrolling interests, if any. Includes the following (net of tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.

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The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

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The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.

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The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa.

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The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.

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The increase (decrease) during the reporting period in the amount due to fund pension and non-pension benefits to employees, retired and disabled former employees.

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The increase (decrease) during the reporting period in the value of prepaid expenses and other assets not separately disclosed in the statement of cash flows, for example, deferred expenses, intangible assets,or income taxes.

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The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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The net cash from (used in) the entity's continuing operations. This element specifically EXCLUDES the cash flows derived by the entity from its discontinued operations, if any. This element is only to be used when the entity reports its cash flows attributable to discontinued operations separately from the cash flow provided by or used in operating activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Other income (expense) included in net income that results in no cash inflows or outflows in the period. Includes noncash adjustments to reconcile net income (loss) to cash provided by (used in) operating activities that are not separately disclosed.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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