CONSOLIDATED CASH FLOW STATEMENTS (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
OPERATING ACTIVITIES
Net Earnings	$ 1,983	$ 2,037
Adjustments to Reconcile Net Earnings to Net Cash Provided by Operating Activities:
Depreciation and Amortization	795	729
Deferred Income Taxes	78	106
Gains on Property Dispositions	(20)	(156)
Other Operating Activities	23	(14)
Changes in Operating Assets and Liabilities:
Accounts Receivable	8	(198)
Other Current Assets	(105)	(71)
Accounts Payable	(20)	61
Income and Other Taxes Payable	33	43
Other Current Liabilities	(292)	(7)
Net Cash Provided by Operating Activities	2,483	2,530
INVESTING ACTIVITIES
Property Additions	(1,015)	(811)
Purchases of Short-term Investments	(102)	(19)
Proceeds from Sales of Short-term Investments	153	9
Proceeds and Advances from Property Dispositions	35	29
Business Acquisition, Net of Cash Acquired	(31)	(208)
Other Investing Activities	(20)	(19)
Net Cash Used In Investing Activities	(980)	(1,019)
FINANCING ACTIVITIES
Long-term Debt Repaid (Note 7)	(146)	(93)
Dividends Paid	(448)	(433)
Shares Repurchased	(1,930)	(2,515)
Other Financing Activities	19	15
Net Cash Used in Financing Activities	(2,505)	(3,026)
Net Decrease in Cash and Cash Equivalents	(1,002)	(1,515)
CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents at Beginning of Period	1,958	2,239
Cash and Cash Equivalents at End of Period	956	724
SUPPLEMENTAL CASH FLOW INFORMATION
Issuance of Common Stock as Consideration for Acquisition	$ 0	$ 422