Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues and other income:
Revenues from contracts with customers	$ 1,484	$ 2,168	$ 3,051	$ 3,929
Net gain (loss) on commodity derivatives	3	(27)	18	(170)
Income from equity method investments	22	152	102	279
Net loss on disposal of assets	0	(1)	5	(1)
Other income	4	11	17	19
Total revenues and other income	1,513	2,303	3,193	4,056
Costs and expenses:
Production	214	164	415	316
Shipping, handling and other operating	161	191	323	376
Exploration	11	8	26	19
Depreciation, depletion and amortization	559	436	1,079	859
Impairments	0	2	0	2
Taxes other than income	43	140	138	244
General and administrative	71	68	153	141
Total costs and expenses	1,059	1,009	2,134	1,957
Income from operations	454	1,294	1,059	2,099
Net interest and other	(92)	(54)	(174)	(76)
Other net periodic benefit credits	3	5	6	9
Income before income taxes	365	1,245	891	2,032
Provision (benefit) for income taxes	78	279	187	(238)
Net income	$ 287	$ 966	$ 704	$ 2,270
Net income per share:
Basic (in dollars per share)	$ 0.47	$ 1.37	$ 1.13	$ 3.17
Diluted (in dollars per share)	$ 0.47	$ 1.37	$ 1.13	$ 3.16
Weighted average common shares outstanding:
Basic (in shares)	614	703	622	717
Diluted (in shares)	615	705	623	719