CONSOLIDATED CASH FLOW STATEMENTS (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
OPERATING ACTIVITIES
Net Earnings	$ 1,879	$ 1,269
Adjustments to Reconcile Net Earnings to Net Cash Provided by Operating Activities:
Depreciation	693	688
Deferred Income Taxes	66	61
Gains on Property Dispositions	(370)	(29)
Other Operating Activities	28	(25)
Changes in Operating Assets and Liabilities:
Accounts Receivable	(127)	120
Other Current Assets	(4)	(24)
Accounts Payable	73	(85)
Income and Other Taxes Payable	181	338
Other Current Liabilities	(20)	(129)
Net Cash Provided by Operating Activities	2,399	2,184
INVESTING ACTIVITIES
Property Additions	(754)	(801)
Proceeds from Property Dispositions	227	45
Purchases of Short-term Investments	0	(426)
Proceeds from Sales of Short-term Investments	1	1,221
Other Investing Activities	(1)	(42)
Net Cash Used In Investing Activities	(527)	(3)
FINANCING ACTIVITIES
Long-term Debt Issued (Note 7)	0	500
Long-term Debt Repaid (Note 7)	(360)	(227)
Dividends Paid	(425)	(400)
Shares Repurchased	(1,252)	(616)
Other Financing Activities	22	(5)
Net Cash Used in Financing Activities	(2,015)	(748)
Net (Decrease)/Increase in Cash and Cash Equivalents	(143)	1,433
CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents at Beginning of Period	3,129	958
Cash and Cash Equivalents at End of Period	$ 2,986	$ 2,391