Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating activities:
Net income	$ 704	$ 2,270
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	1,079	859
Impairments	0	2
Exploratory dry well costs and unproved property impairments	24	14
Net (gain) loss on disposal of assets	(5)	1
Deferred income taxes	155	(319)
Unrealized loss on derivative instruments, net	2	71
Pension and other post retirement benefits, net	(11)	(16)
Stock-based compensation	21	18
Equity method investments, net	113	(85)
Changes in:
Current receivables	(158)	(376)
Inventories	(11)	(16)
Current accounts payable and accrued liabilities	37	278
Other current assets and liabilities	10	(7)
All other operating, net	(19)	51
Net cash provided by operating activities	1,941	2,745
Investing activities:
Additions to property, plant and equipment	(1,166)	(687)
Acquisitions, net of cash acquired	9	2
Disposal of assets, net of cash transferred to the buyer	(1)	4
Equity method investments - return of capital	34	7
All other investing, net	(1)	0
Net cash used in investing activities	(1,125)	(674)
Financing activities:
Proceeds from revolving credit facility	980	0
Repayments of revolving credit facility	(980)	0
Borrowings	200	0
Debt repayments	(270)	(32)
Shares repurchased under buyback programs	(706)	(1,352)
Dividends paid	(125)	(108)
Purchases of shares for tax withholding obligations	(30)	(21)
All other financing, net	(4)	24
Net cash used in financing activities	(935)	(1,489)
Net increase (decrease) in cash and cash equivalents	(119)	582
Cash and cash equivalents at beginning of period	334	580
Cash and cash equivalents at end of period	$ 215	$ 1,162