CONSOLIDATED CASH FLOW STATEMENTS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 30, 2016
OPERATING ACTIVITIES
Net Earnings	$ 3,309	$ 5,471	$ 1,714
Adjustments to Reconcile Net Earnings to Net Cash
Depreciation	1,331	1,315	1,301
Restructuring Charge (Note 1)	0	325	0
Cash Payments for Restructuring Charge	(15)	(187)	0
Deferred Income Taxes	279	(3,233)	405
Earnings of Equity-method Investments	(96)	(219)	(50)
Contributions to Qualified Pension Plans (Note 8)	0	0	(250)
Gain on Property Dispositions	(154)	(18)	(128)
Other Operating Activities	(21)	(17)	(20)
Changes in Operating Assets and Liabilities:
Accounts Receivable	(46)	(70)	84
Other Current Assets	101	1	(113)
Accounts Payable	104	41	40
Income and Other Taxes Payable	(104)	20	23
Other Current Liabilities	(47)	43	35
Net Cash Provided by Operating Activities	4,641	3,472	3,041
INVESTING ACTIVITIES
Property Additions	(1,745)	(2,040)	(2,398)
Purchase of Short-term Investments	(736)	(782)	(929)
Proceeds from Sales of Short-term Investments	505	1,193	1,325
Proceeds from Property Dispositions	319	97	195
Other Investing Activities	(27)	37	9
Net Cash Used in Investing Activities	(1,684)	(1,495)	(1,798)
FINANCING ACTIVITIES
Long-term Debt Issued (Note 9)	3,000	850	2,200
Long-term Debt Repaid (Note 9)	(19)	(333)	(1,419)
Dividends Paid	(751)	(708)	(680)
Shares Repurchased	(4,671)	(1,970)	(1,056)
Other Financing Activities	(59)	(18)	(313)
Net Cash Used in Financing Activities	(2,500)	(2,179)	(1,268)
Net Increase (Decrease) in Cash and Cash Equivalents	457	(202)	(25)
CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents at Beginning of Period	401	603	628
Cash and Cash Equivalents at End of Period	858	401	603
SUPPLEMENTAL CASH FLOW INFORMATION
Interest Paid - Net of Amounts Capitalized	614	555	606
Income Taxes Paid	$ 814	$ 911	$ 580