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Segment Disclosures and Related Information - Assets (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Total Assets
Consolidated total assets	$ 93,651	$ 93,829
Corporate and Other
Total Assets
Consolidated total assets	12,130	11,008
Alaska | Operating Segments
Total Assets
Consolidated total assets	15,535	15,126
Lower 48 | Operating Segments
Total Assets
Consolidated total assets	42,435	42,950
Canada | Operating Segments
Total Assets
Consolidated total assets	7,103	6,971
Europe, Middle East and North Africa | Operating Segments
Total Assets
Consolidated total assets	7,600	8,263
Asia Pacific | Operating Segments
Total Assets
Consolidated total assets	8,846	9,511
Other International | Operating Segments
Total Assets
Consolidated total assets	$ 2	$ 0

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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