Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues and other income:
Revenues from contracts with customers	$ 1,567	$ 1,761
Net gain (loss) on commodity derivatives	15	(143)
Income from equity method investments	80	127
Net gain on disposal of assets	5	0
Other income	13	8
Total revenues and other income	1,680	1,753
Costs and expenses:
Production	201	152
Shipping, handling and other operating	162	185
Exploration	15	11
Depreciation, depletion and amortization	520	423
Taxes other than income	95	104
General and administrative	82	73
Total costs and expenses	1,075	948
Income from operations	605	805
Net interest and other	(82)	(22)
Other net periodic benefit credits	3	4
Income before income taxes	526	787
Provision (benefit) for income taxes	109	(517)
Net income	$ 417	$ 1,304
Net income per share:
Basic (in dollars per share)	$ 0.66	$ 1.79
Diluted (in dollars per share)	$ 0.66	$ 1.78
Weighted average common shares outstanding:
Basic (in shares)	628	730
Diluted (in shares)	629	732