Pioneer Natural Resources Merger (Actual and Pro Forma) (Details) - Pioneer Natural Resources Merger - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2024
Business acquisition [Line Items]
Sales and other operating revenues	$ 4,372	$ 4,372
Net income (loss) attributable to ExxonMobil	$ 398	$ 398

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details