CONSOLIDATED CASH FLOW STATEMENTS (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
OPERATING ACTIVITIES
Net Earnings	$ 987	$ 859
Adjustments to Reconcile Net Earnings to Net Cash Provided by Operating Activities:
Depreciation and Amortization	393	360
Deferred Income Taxes	35	37
Gains on Property Dispositions	(8)	(27)
Other Operating Activities	(31)	4
Changes in Operating Assets and Liabilities:
Accounts Receivable	(63)	(131)
Other Current Assets	(72)	(40)
Accounts Payable	70	82
Income and Other Taxes Payable	266	225
Other Current Liabilities	(326)	(70)
Net Cash Provided by Operating Activities	1,251	1,299
INVESTING ACTIVITIES
Property Additions	(443)	(331)
Purchases of Short-term Investments	(101)	(19)
Proceeds from Sales of Short-term Investments	53	0
Proceeds and Advances from Property Dispositions	8	8
Business Acquisition, Net of Cash Acquired	(2)	(9)
Other Investing Activities	5	(17)
Net Cash Used In Investing Activities	(480)	(368)
FINANCING ACTIVITIES
Long-term Debt Repaid (Note 7)	(142)	(6)
Dividends Paid	(226)	(218)
Shares Repurchased	(1,067)	(1,016)
Other Financing Activities	(3)	6
Net Cash Used in Financing Activities	(1,438)	(1,234)
Net Decrease in Cash and Cash Equivalents	(667)	(303)
CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents at Beginning of Period	1,958	2,239
Cash and Cash Equivalents at End of Period	$ 1,291	$ 1,936