Investments (Unconsolidated Variable Interest Entities) (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Variable Interest Entity [Line Items]
Total Assets	$ 386,181	$ 383,516
Commitments to Extend Credit [Member]
Variable Interest Entity [Line Items]
Total Assets	2,700	2,300
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Total Assets	$ 12,000	$ 12,000

Amount of asset recognized for present right to economic benefit.

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+ Details