Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net income	$ 2,270	$ 113
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	859	1,028
Impairments	2	47
Exploratory dry well costs and unproved property impairments	14	39
Net (gain) loss on disposal of assets	1	(1)
Loss on early extinguishment of debt	0	19
Deferred income taxes	(319)	(7)
Unrealized loss on derivative instruments, net	71	157
Pension and other post retirement benefits, net	(16)	(14)
Stock-based compensation	18	17
Equity method investments, net	(85)	(17)
Changes in:
Current receivables	(376)	(253)
Inventories	(16)	(2)
Current accounts payable and accrued liabilities	278	121
Other current assets and liabilities	(7)	73
All other operating, net	51	(43)
Net cash provided by operating activities	2,745	1,277
Investing activities:
Additions to property, plant and equipment	(687)	(483)
Acquisitions, net of cash acquired	2	0
Disposal of assets, net of cash transferred to the buyer	4	15
Equity method investments - return of capital	7	6
All other investing, net	0	(1)
Net cash used in investing activities	(674)	(463)
Financing activities:
Debt repayment	(32)	(500)
Debt extinguishment costs	0	(19)
Shares repurchased under buyback programs	(1,352)	0
Dividends paid	(108)	(55)
Purchases of shares for tax withholding obligations	(21)	(9)
All other financing, net	24	(3)
Net cash used in financing activities	(1,489)	(586)
Net increase in cash and cash equivalents	582	228
Cash and cash equivalents at beginning of period	580	742
Cash and cash equivalents at end of period	$ 1,162	$ 970