Variable Interest Entities - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Variable Interest Entity [Line Items]
Total assets	$ 55,982	$ 51,244
Total liabilities	32,352	28,768
Variable Interest Entity, Primary Beneficiary \| Freight Holding
Variable Interest Entity [Line Items]
Total assets	3,400	3,400
Total liabilities	$ 755	$ 724

Amount of asset recognized for present right to economic benefit.

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+ Details

- Definition

Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others.

+ References

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+ Details

- Definition

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.

+ References + Details