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v3.25.1

Derivative and Hedging Activities and Restricted Cash - Derivatives Subject to a Master Netting Arrangement (Details) - Derivatives not designated as hedging instruments: - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Derivative Asset [Abstract] |  |
Gross Amounts Not Offset in the Statements of Condition | $ 15 | $ 22
Cash Collateral Pledged (Received) | 0 | (5)
Liabilities |  |
Gross Amounts Not Offset in the Statements of Condition | 26 | 32
Cash Collateral Pledged (Received) | 34 | 57
Mortgage-backed securities forwards |  |
Derivative Asset [Abstract] |  |
Gross Amounts Not Offset in the Statements of Condition |  | 7
Cash Collateral Pledged (Received) |  | (2)
Liabilities |  |
Gross Amounts Not Offset in the Statements of Condition | 3 | 2
Cash Collateral Pledged (Received) | 30 | 10
Interest rate swaptions |  |
Derivative Asset [Abstract] |  |
Gross Amounts Not Offset in the Statements of Condition | 15 | 15
Cash Collateral Pledged (Received) | 0 | (3)
Interest rate swaps |  |
Liabilities |  |
Gross Amounts Not Offset in the Statements of Condition | 23 | 30
Cash Collateral Pledged (Received) | $ 4 | $ 47

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