Segment Reporting and Information about Geographic Areas - Schedule of inventory and accounts receivable by reportable segment (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Segment Reporting [Line Items]
Inventory	$ 13,752	$ 12,392
Automotive
Segment Reporting [Line Items]
Inventory	9,637	9,678
Energy generation and storage segment
Segment Reporting [Line Items]
Inventory	$ 4,115	$ 2,714

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