Related Party Transactions - Transactions with Other Related Parties (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Related Party Transaction [Line Items]
Revenues from related parties	$ 17,693	$ 10,642	$ 30,162	$ 22,119
Purchases and related costs from related parties	80	98	154	196
Trade accounts receivable and other receivables, net from related parties	5,267		5,267		$ 3,598
Trade accounts payable to related parties	4,942		4,942		3,457
Affiliated Entity
Related Party Transaction [Line Items]
Revenues from related parties	13	$ 12	26	$ 23
Trade accounts receivable and other receivables, net from related parties	33		33		49
Trade accounts payable to related parties	$ 50		$ 50		$ 64

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

- Definition

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