Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues and other income:
Revenues from contracts with customers	$ 1,761	$ 1,177
Net gain (loss) on commodity derivatives	(143)	(153)
Income (loss) from equity method investments	127	44
Other income	8	3
Total revenues and other income	1,753	1,071
Costs and expenses:
Production	152	121
Shipping, handling and other operating	185	152
Exploration	11	21
Depreciation, depletion and amortization	423	496
Impairments	0	1
Taxes other than income	104	74
General and administrative	73	89
Total costs and expenses	948	954
Income (loss) from operations	805	117
Net interest and other	(22)	(13)
Other net periodic benefit (costs) credits	4	3
Income (loss) before income taxes	787	107
Provision (benefit) for income taxes	(517)	10
Net income (loss)	$ 1,304	$ 97
Net income (loss) per share:
Basic (in dollars per share)	$ 1.79	$ 0.12
Diluted (in dollars per share)	$ 1.78	$ 0.12
Weighted average common shares outstanding:
Basic (in shares)	730	789
Diluted (in shares)	732	789