Segment Disclosures and Related Information - Sales and Other Operating Revenues (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Sales and other operating revenues	$ 78,494	$ 45,828	$ 18,784
Operating Segments
Segment Reporting Information [Line Items]
Sales and other operating revenues	78,494	45,828	18,784
Corporate and Other
Segment Reporting Information [Line Items]
Sales and other operating revenues	96	75	18
Alaska
Segment Reporting Information [Line Items]
Sales and other operating revenues	7,905	5,480	3,408
Alaska \| Intersegment eliminations
Segment Reporting Information [Line Items]
Sales and other operating revenues	0	0	(11)
Alaska \| Operating Segments
Segment Reporting Information [Line Items]
Sales and other operating revenues	7,905	5,480	3,397
Lower 48
Segment Reporting Information [Line Items]
Sales and other operating revenues	52,921	29,306	9,872
Lower 48 \| Intersegment eliminations
Segment Reporting Information [Line Items]
Sales and other operating revenues	(18)	(12)	(51)
Lower 48 \| Operating Segments
Segment Reporting Information [Line Items]
Sales and other operating revenues	52,903	29,294	9,821
Canada
Segment Reporting Information [Line Items]
Sales and other operating revenues	6,159	4,077	1,666
Canada \| Intersegment eliminations
Segment Reporting Information [Line Items]
Sales and other operating revenues	(2,445)	(1,583)	(405)
Canada \| Operating Segments
Segment Reporting Information [Line Items]
Sales and other operating revenues	3,714	2,494	1,261
Europe, Middle East and North Africa
Segment Reporting Information [Line Items]
Sales and other operating revenues	11,271	5,902	1,919
Europe, Middle East and North Africa \| Intersegment eliminations
Segment Reporting Information [Line Items]
Sales and other operating revenues	(1)	0	(2)
Europe, Middle East and North Africa \| Operating Segments
Segment Reporting Information [Line Items]
Sales and other operating revenues	11,270	5,902	1,917
Asia Pacific \| Operating Segments
Segment Reporting Information [Line Items]
Sales and other operating revenues	2,606	2,579	2,363
Other International \| Operating Segments
Segment Reporting Information [Line Items]
Sales and other operating revenues	$ 0	$ 4	$ 7