CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
CASH FLOW FROM OPERATING ACTIVITIES
Net loss	$ (43)	$ (10,144)
Adjustments to reconcile net loss to net cash provided by operating activities:
Discontinued operations, net	442	1,415
Depreciation, depletion and amortization of assets	4,565	4,428
Deferred income tax benefit	(212)	(1,743)
Asset impairments and other charges	156	8,220
Gains on sales of equity investments and other assets, net	(114)	(22)
Other noncash reconciling items	51	(83)
Changes in operating assets and liabilities:
(Increase) decrease in receivables	(1,179)	3,999
Decrease in inventory	58	41
(Increase) decrease in other current assets	(105)	192
Increase (decrease) in accounts payable and accrued liabilities	475	(4,708)
Increase in current domestic and international income taxes	18	65
Operating cash flow from continuing operations	4,112	1,660
Operating cash flow from discontinued operations, net of taxes	112	39
Net cash provided by operating activities	4,224	1,699
CASH FLOW FROM INVESTING ACTIVITIES
Capital expenditures	(1,277)	(1,675)
Change in capital accrual	(94)	(742)
Purchases of businesses and assets, net	(113)	(48)
Proceeds from sales of equity investments and other assets, net	503	181
Equity investments and other, net	(27)	203
Investing cash flow from continuing operations	(1,008)	(2,081)
Investing cash flow from discontinued operations	(28)	(25)
Net cash used by investing activities	(1,036)	(2,106)
CASH FLOW FROM FINANCING ACTIVITIES
Payments of long-term debt	(174)	0
Proceeds from issuance of common stock	11	108
Cash dividends paid on common and preferred stock	(420)	(1,627)
Financing portion of net cash received (paid) for derivative instruments	2
Financing portion of net cash received (paid) for derivative instruments		(367)
Other financing, net	(30)	(64)
Financing cash flow from continuing operations	(611)	(1,950)
Financing cash flow from discontinued operations	(5)	(4)
Net cash used by financing activities	(616)	(1,954)
Increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents	2,572	(2,361)
Cash, cash equivalents, restricted cash and restricted cash equivalents — beginning of period	2,194	3,574
Cash, cash equivalents, restricted cash and restricted cash equivalents — end of period	$ 4,766	$ 1,213