CONSOLIDATED CASH FLOW STATEMENTS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
OPERATING ACTIVITIES
Net Earnings	$ 3,331	$ 3,309	$ 5,471
Adjustments to Reconcile Net Earnings to Net Cash
Depreciation	1,349	1,331	1,315
Restructuring Charge (Note 1)	0	0	325
Cash Payments for Restructuring Charge	0	(15)	(187)
Deferred Income Taxes	273	279	(3,233)
Earnings of Equity-method Investments	(91)	(96)	(219)
Gain on Property Dispositions	(151)	(154)	(18)
Other Operating Activities	22	(21)	(17)
Changes in Operating Assets and Liabilities:
Accounts Receivable	45	(46)	(70)
Other Current Assets	68	101	1
Accounts Payable	98	104	41
Income and Other Taxes Payable	2	(104)	20
Other Current Liabilities	(96)	(47)	43
Net Cash Provided by Operating Activities	4,850	4,641	3,472
INVESTING ACTIVITIES
Property Additions	(1,657)	(1,745)	(2,040)
Purchase of Short-term Investments	(2,838)	(736)	(782)
Proceeds from Sales of Short-term Investments	2,108	505	1,193
Proceeds from Property Dispositions	254	319	97
Other Investing Activities	31	(27)	37
Net Cash Used in Investing Activities	(2,102)	(1,684)	(1,495)
FINANCING ACTIVITIES
Long-term Debt Issued (Note 10)	2,000	3,000	850
Long-term Debt Repaid (Note 10)	(518)	(19)	(333)
Dividends Paid	(763)	(751)	(708)
Shares Repurchased	(3,373)	(4,671)	(1,970)
Other Financing Activities	6	(59)	(18)
Net Cash Used in Financing Activities	(2,648)	(2,500)	(2,179)
Net Increase (Decrease) in Cash and Cash Equivalents	100	457	(202)
CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents at Beginning of Period	858	401	603
Cash and Cash Equivalents at End of Period	958	858	401
SUPPLEMENTAL CASH FLOW INFORMATION
Interest Paid - Net of Amounts Capitalized	717	614	555
Income Taxes Paid	$ 691	$ 814	$ 911