CONSOLIDATED CASH FLOW STATEMENTS (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
OPERATING ACTIVITIES
Net Earnings	$ 2,847	$ 2,005
Adjustments to Reconcile Net Earnings to Net Cash Provided by Operating Activities:
Depreciation	1,060	1,036
Deferred Income Taxes	109	117
Gains on Property Dispositions	(430)	(33)
Other Operating Activities	10	(30)
Changes in Operating Assets and Liabilities:
Accounts Receivable	(153)	12
Other Current Assets	(4)	(37)
Accounts Payable	132	(6)
Income and Other Taxes Payable	174	98
Other Current Liabilities	74	(34)
Net Cash Provided by Operating Activities	3,819	3,128
INVESTING ACTIVITIES
Property Additions	(1,220)	(1,209)
Proceeds from Property Dispositions	297	51
Purchases of Short-term Investments	0	(426)
Proceeds from Sales of Short-term Investments	3	1,423
Business Acquisition, Net of Cash Acquired	(543)	0
Other Investing Activities	0	(32)
Net Cash Used In Investing Activities	(1,463)	(193)
FINANCING ACTIVITIES
Shares Repurchased	(2,316)	(664)
Dividends Paid	(633)	(599)
Long-term Debt Repaid (Note 7)	(390)	(245)
Long-term Debt Issued (Note 7)	0	500
Other Financing Activities	33	13
Net Cash Used in Financing Activities	(3,306)	(995)
Net (Decrease)/Increase in Cash and Cash Equivalents	(950)	1,940
CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents at Beginning of Period	3,129	958
Cash and Cash Equivalents at End of Period	$ 2,179	$ 2,898