CONSOLIDATED CASH FLOW STATEMENTS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
OPERATING ACTIVITIES
Net Earnings	$ 4,166	$ 3,781	$ 2,765
Adjustments to Reconcile Net Earnings to Net Cash
Depreciation and Amortization	1,500	1,420	1,383
Deferred Income Taxes	117	167	180
Gains on Property Dispositions	(238)	(454)	(35)
Other Operating Activities	(17)	12	(32)
Changes in Operating Assets and Liabilities:
Accounts Receivable	(101)	(141)	83
Other Current Assets	(22)	(25)	(75)
Accounts Payable	140	128	(20)
Income and Other Taxes Payable	(39)	72	39
Other Current Liabilities	113	139	(25)
Net Cash Provided by Operating Activities	5,619	5,099	4,263
INVESTING ACTIVITIES
Property Additions	(2,133)	(1,791)	(1,626)
Purchases of Short-term Investments	(59)	(75)	(426)
Proceeds from Sales of Short-term Investments	9	5	1,424
Proceeds and Advances from Property Dispositions	246	529	56
Business Acquisition, Net of Cash Acquired (Note 17)	(227)	(541)	0
Other Investing Activities	33	(4)	(77)
Net Cash Used in Investing Activities	(2,131)	(1,877)	(649)
FINANCING ACTIVITIES
Shares Repurchased	(4,731)	(2,886)	(867)
Dividends Paid	(852)	(839)	(797)
Long-term Debt Repaid	(186)	(426)	(745)
Long-term Debt Issued (Note 10)	2,000	0	1,000
Other Financing Activities	0	39	(34)
Net Cash Used in Financing Activities	(3,769)	(4,112)	(1,443)
Net (Decrease) Increase in Cash and Cash Equivalents	(281)	(890)	2,171
CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents at Beginning of Period	2,239	3,129	958
Cash and Cash Equivalents at End of Period	1,958	2,239	3,129
SUPPLEMENTAL CASH FLOW INFORMATION
Issuance of Common Stock as Consideration for Acquisition	422	0	0
Interest Paid - Net of Amounts Capitalized	729	718	750
Income Taxes Paid	$ 1,167	$ 931	$ 664