Disclosures about Segments and Related Information (Schedule of Geographic Sales And Other Operating Revenue) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment reporting revenue reconciling item [Line Items]
Revenues	$ 81,506	$ 93,060	$ 164,636	$ 176,143
Sales and other operating revenue
Segment reporting revenue reconciling item [Line Items]
Revenues	79,477	89,986	160,535	170,397
United States \| Sales and other operating revenue
Segment reporting revenue reconciling item [Line Items]
Revenues	34,436	36,895	69,043	67,551
Non-U.S. \| Sales and other operating revenue
Segment reporting revenue reconciling item [Line Items]
Revenues	45,041	53,091	91,492	102,846
Canada \| Sales and other operating revenue
Segment reporting revenue reconciling item [Line Items]
Revenues	$ 6,804	$ 8,126	$ 13,794	$ 15,182

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