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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities
Net income	$ 790	$ 822
Reconciliation of net income to net cash provided by operating activities:
Depreciation	672	642
Deferred income taxes	5	(35)
Gains and losses on properties	(25)	(25)
Changes in assets and liabilities affecting operations:
Accounts receivable	(43)	57
Materials and supplies	(44)	(19)
Other current assets	57	36
Current liabilities other than debt	596	460
Other – net	(133)	(92)
Net cash provided by operating activities	1,875	1,846
Cash flows from investing activities
Property additions	(1,125)	(948)
Acquisition of assets of CSR	(1,643)	0
Property sales and other transactions	70	61
Investment purchases	(206)	(6)
Investment sales and other transactions	337	152
Net cash used in investing activities	(2,567)	(741)
Cash flows from financing activities
Dividends	(610)	(615)
Common stock transactions	(5)	(9)
Purchase and retirement of common stock	0	(303)
Proceeds from borrowings	600	724
Debt repayments	(202)	(802)
Net cash used in financing activities	(217)	(1,005)
Net increase (decrease) in cash and cash equivalents	(909)	100
Cash and cash equivalents
At beginning of year	1,568	456
At end of period	659	556
Supplemental disclosures of cash flow information
Interest (net of amounts capitalized)	373	318
Income taxes (net of refunds)	$ 107	$ 315

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