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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, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	$ 10,159	$ 5,324	$ 4,715
Interest income	195	33	100
Interest and debt expense	805	884	806
Corporate and Other
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	30	53	40
Interest income	185	22	88
Interest and debt expense	805	884	806
Alaska | Operating Segments
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	1,091	982	1,038
Interest income	0	0	0
Lower 48 | Operating Segments
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	5,630	3,129	1,881
Interest income	0	0	0
Canada | Operating Segments
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	530	203	651
Interest income	0	0	0
Europe, Middle East and North Africa | Operating Segments
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	998	534	600
Interest income	1	2	5
Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	1,880	390	384
Interest income	9	9	7
Other International | Operating Segments
Segment Reporting Information [Line Items]
Consolidated capital expenditures and investments	0	33	121
Interest income	$ 0	$ 0	$ 0

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