Derivative Instruments and Hedging Activities - Incremental Collateral and Termination Payments upon Potential Future Ratings Downgrade (Details) $ in Millions	Jun. 30, 2026 USD ($)
Bilateral Downgrade Agreement
Derivatives
Incremental collateral or termination payments upon potential future ratings downgrade	$ 614
One-notch downgrade
Derivatives
Incremental collateral or termination payments upon potential future ratings downgrade	427
Two-notch downgrade
Derivatives
Incremental collateral or termination payments upon potential future ratings downgrade	$ 448

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