CONSOLIDATED CASH FLOW STATEMENTS (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	[1]
OPERATING ACTIVITIES
Net Earnings	$ 2,005	$ 2,560
Adjustments to Reconcile Net Earnings to Net Cash Provided by Operating Activities:
Depreciation	1,036	1,005
Deferred Income Taxes	117	186
Gains on Property Dispositions	(33)	(129)
Other Operating Activities	(30)	(81)
Changes in Operating Assets and Liabilities:
Accounts Receivable	12	(39)
Other Current Assets	(37)	84
Accounts Payable	(6)	152
Income and Other Taxes Payable	98	114
Other Current Liabilities	(34)	(115)
Net Cash Provided by Operating Activities	3,128	3,737
INVESTING ACTIVITIES
Property Additions	(1,209)	(1,191)
Proceeds from Property Dispositions	51	218
Purchases of Short-term Investments	(426)	(2,255)
Proceeds from Sales of Short-term Investments	1,423	1,480
Other Investing Activities	(32)	19
Net Cash Used In Investing Activities	(193)	(1,729)
FINANCING ACTIVITIES
Long-term Debt Issued (Note 7)	500	2,000
Long-term Debt Repaid (Note 7)	(245)	(18)
Dividends Paid	(599)	(577)
Shares Repurchased	(664)	(2,767)
Other Financing Activities	13	17
Net Cash Used in Financing Activities	(995)	(1,345)
Net Increase in Cash and Cash Equivalents	1,940	663
CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents at Beginning of Period	958	858
Cash and Cash Equivalents at End of Period	$ 2,898	$ 1,521

[1] Certain prior year data has been reclassified to conform to the current presentation.