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Segment Disclosures and Related Information - Capital Expenditures and Investments and Interest Income and Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	$ 11,248	$ 10,159	$ 5,324
Interest income	412	195	33
Interest and debt expense	780	805	884
Corporate and Other
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	1,135	30	53
Interest income	403	185	22
Interest and debt expense	780	805	884
Alaska | Operating Segments
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	1,705	1,091	982
Interest income	0	0	0
Lower 48 | Operating Segments
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	6,487	5,630	3,129
Interest income	0	0	0
Canada | Operating Segments
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	456	530	203
Interest income	0	0	0
Europe, Middle East and North Africa | Operating Segments
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	1,111	998	534
Interest income	1	1	2
Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	354	1,880	390
Interest income	8	9	9
Other International | Operating Segments
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	0	0	33
Interest income	$ 0	$ 0	$ 0

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 20
-Topic 835
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-22

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-Topic 220
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-Name Accounting Standards Codification
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