Variable Interest Entities - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Variable Interest Entity [Line Items]
Assets	$ 45,201	$ 45,157
Liabilities	27,141	26,803
Variable interest entity, primary beneficiary
Variable Interest Entity [Line Items]
Assets	1,320	1,337
Liabilities	709	720
Transfers accounted for as secured borrowings, carrying amount	393	391
Transfers accounted for as secured borrowings, associated liabilities, carrying amount	336	335
Variable interest entity, primary beneficiary \| Recourse
Variable Interest Entity [Line Items]
Liabilities	365	374
Variable interest entity, primary beneficiary \| Asset pledged as collateral
Variable Interest Entity [Line Items]
Assets	$ 860	$ 874

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.

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