CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
CASH FLOW FROM OPERATING ACTIVITIES
Net income (loss)	$ (13,719)	$ 514
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Discontinued operations, net	1,335	15
Depreciation, depletion and amortization of assets	6,343	3,771
Deferred income tax benefit	(2,117)	(1,050)
Asset impairments and other items	10,915	325
Losses (gains) on sales of assets, net	824	(150)
Other noncash charges to income	134	568
Changes in operating assets and liabilities	(1,240)	1,480
Operating cash flow from continuing operations	2,475	5,473
Operating cash flow from discontinued operations, net of taxes	76	(107)
Net cash provided by operating activities	2,551	5,366
CASH FLOW FROM INVESTING ACTIVITIES
Capital expenditures	(1,921)	(4,187)
Change in capital accrual	(725)	(128)
Purchase of businesses and assets, net	(102)	(27,926)
Proceeds from sale of assets, net	193	4,809
Equity investments and other, net	188	(140)
Investing cash flow from continuing operations	(2,367)	(27,572)
Investing cash flow from discontinued operations, net of taxes	(31)	(154)
Net cash used by investing activities	(2,398)	(27,726)
CASH FLOW FROM FINANCING ACTIVITIES
Proceeds from long-term debt, net of issuance costs	4,956	21,557
Payments of long-term debt	(4,615)	(4,949)
Proceeds from short-term borrowings and revolvers - WES	0	1,240
Payment of revolvers - WES	0	(1,000)
Proceeds from issuance of common and preferred stock	126	10,010
Purchases of treasury stock	(4)	(237)
Cash dividends paid on common and preferred stock	(1,634)	(1,766)
Distributions paid to noncontrolling interest	0	(127)
Financing portion of net cash paid for derivative instruments	(377)
Financing portion of net cash paid for derivative instruments		11
Other financing, net	(99)	(46)
Financing cash flow from continuing operations	(1,647)	24,693
Financing cash flow from discontinued operations, net of taxes	(6)	(1)
Net cash (used) provided by financing activities	(1,653)	24,692
(Decrease) increase in cash, cash equivalents, restricted cash and restricted cash equivalents	(1,500)	2,332
Cash, cash equivalents, restricted cash and restricted cash equivalents — beginning of period	3,574	3,033
Cash, cash equivalents, restricted cash and restricted cash equivalents — end of period	2,074	5,365
NON-CASH INVESTING ACTIVITIES
Exchange equity investment in WES (see Note 1)	260	0
NON-CASH FINANCING ACTIVITIES
Settlement of long-term debt - WES (see Note 8)	$ (260)	$ 0