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Consolidated Statements Of Cash Flows (USD $)
In Millions
9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Cash flows from operating activities:  
Net earnings$ 4,197$ 3,988
Earnings from discontinued operations, net of tax(2,584)(2,133)
Adjustments to reconcile earnings from continuing operations to net cash provided by operating activities:  
Depreciation, depletion and amortization1,6221,441
Deferred income tax expense2,184349
Unrealized change in fair value of financial instruments(661)(136)
Other noncash charges185154
Net (increase) decrease in working capital(308)164
Decrease in long-term other assets5128
(Decrease) increase in long-term other liabilities(459)57
Cash from operating activities - continuing operations4,2273,912
Cash from operating activities - discontinued operations(13)324
Net cash from operating activities4,2144,236
Cash flows from investing activities:  
Capital expenditures(5,515)(4,793)
Proceeds from property and equipment divestitures134,131
Purchases of short-term investments(5,751) 
Redemptions of short-term investments4,665 
Redemptions of long-term investments1020
Other(33)(13)
Cash from investing activities - continuing operations(6,611)(655)
Cash from investing activities - discontinued operations3,1622,298
Net cash from investing activities(3,449)1,643
Cash flows from financing activities:  
Net commercial paper borrowings (repayments)3,196(1,432)
Proceeds from borrowings of long-term debt, net of issuance costs2,221 
Debt repayments(1,760)(350)
Proceeds from stock option exercises10118
Repurchases of common stock(1,987)(929)
Dividends paid on common stock(209)(211)
Excess tax benefits related to share-based compensation117
Net cash from financing activities1,573(2,897)
Effect of exchange rate changes on cash(10)5
Net increase in cash and cash equivalents2,3282,987
Cash and cash equivalents at beginning of period (including cash related to assets held for sale)3,2901,011
Cash and cash equivalents at end of period (including cash related to assets held for sale)$ 5,618$ 3,998