Disclosures about Segments and Related Information (Schedule of Geographic Sales and Other Operating Revenue) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment reporting revenue reconciling item [Line Items]
Revenues	$ 332,238	$ 349,585	$ 344,582
Sales and other operating revenue
Segment reporting revenue reconciling item [Line Items]
Revenues	323,905	339,247	334,697
United States \| Sales and other operating revenue
Segment reporting revenue reconciling item [Line Items]
Revenues	137,639	138,657	127,374
Non-U.S. \| Sales and other operating revenue
Segment reporting revenue reconciling item [Line Items]
Revenues	186,266	200,590	207,323
Canada \| Sales and other operating revenue
Segment reporting revenue reconciling item [Line Items]
Revenues	$ 27,363	$ 29,746	$ 28,994

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details