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DERIVATIVE FINANCIAL INSTRUMENTS
 12 Months Ended
Dec. 31, 2025
EBP 002  
EBP, Derivative [Line Items]  
DERIVATIVE FINANCIAL INSTRUMENTS DERIVATIVE FINANCIAL INSTRUMENTS
ASC 815, Derivatives and Hedging, requires disclosures on how and why derivatives are used, accounted for, and affect the results of operations and financial position. Derivative instruments held by the Master Trust are not designated as hedging instruments under ASC 815. The Master Trust investments are exposed to the following financial instrument risks:

Interest Rate Risk — Interest rate risk is the risk of change in the market value of the assets due to a change in interest rates. Bond futures, interest rate swaps, and interest rate swaptions are generally used to manage interest rate risk or adjust portfolio duration. A futures contract is an agreement between two parties to buy and sell a financial instrument at a set price on a future date. Interest rate swap agreements involve the exchange of respective commitments to pay or receive interest, e.g., an exchange of floating rate payments for fixed rate payments, with respect to the notional amount of principal between the Master Trust and a counterparty. Interest rate swaptions are options to enter into an interest rate swap based on predetermined conditions.

Credit Risk — Credit risk is the risk of change in the market value of assets due to the change in creditworthiness of the underlying issuer. Credit default swaps are used to manage the credit exposure of a security or basket of securities. Credit default swap agreements involve one party (referred to as the buyer of protection) making a stream of payments to another party (the seller of protection) in exchange for the right to receive a specified return in the event of a default or other credit event for the referenced entity, obligation, or index.

Foreign Currency Risk — Currency risk is the risk of a change in market value due to the change in foreign currency exchange rates. Generally, currency futures and forward contracts are used to achieve the desired currency exposure, or generate value-added performance. Foreign currency futures and forwards are agreements between two parties to buy and sell a set of currencies at a set exchange rate on a specified future date. A currency option gives the buyer the right, but not the obligation, to buy one currency or sell another currency at a set exchange rate on or before a given date.

Equity Risk — Equity risk is the risk of a change in market value of assets due to the change in equity or equity index prices. Equity futures and swaps are generally used to manage the market exposure of a security or index, or rebalance the total portfolio to the target asset allocation. An equity futures contract is an agreement between two parties to buy and sell a financial instrument at a set price on a future date. Equity swaps generally exchanges the return on a stock or stock index for the return of another financial instrument such as a different stock or equity index or LIBOR.

Future Settlement Risk — Future settlement risk is the risk of counterparty nonperformance resulting in not receiving the asset or associated gains specified in the contract. Gains are derived from the change in market value of the contract due to a change in price of the underlying security. Mortgage-backed TBAs are used to manage the market exposure of a security or asset class. A TBA is a contract for the purchase or sale of agency mortgage-backed securities to be delivered at a future agreed-upon date.
As of December 31, 2025 and 2024, the Master Trust has invested in derivative contracts. The fair value of these contracts is included in the Master Trust’s statements of net assets, as discussed in Note 4, and was not material.
Derivative contracts realized gains and losses and the change in unrealized gains and losses are reflected in the Master Trust’s statement of changes in net assets as net appreciation or depreciation of investments. The effect of derivative contracts realized gains and losses and the change in unrealized gains and losses for the year ended December 31, 2025 was not material.
The following table summarizes the gross notional value of derivative contracts outstanding as of December 31, 2025 and 2024. The gross notional amounts give an indication of the volume of the Master Trust’s derivative activity and significantly exceed the fair value of the derivative investments, which is more representative of the economic exposure associated with derivatives in the Master Trust.
Interest RateCreditForeign
Currency		EquityFuture
Settlement		Total
December 31, 2025
Forward contracts$— $— $471 $— $— $471 
Futures3,262 — 11 304 — 3,577 
Options2 — — — — 2 
Swaps997 9 — — — 1,006 
TBAs— — — — 677 677 
Total$4,261 $9 $482 $304 $677 $5,733 
December 31, 2024
Forward contracts$— $— $276 $— $— $276 
Futures2,793 — 5 277 — 3,075 
Options53 — 16 — — 69 
Swaps1,294 50 — — — 1,344 
TBAs— — — — 725 725 
Total$4,140 $50 $297 $277 $725 $5,489 
Derivatives are generally used to manage the market exposure of a security, index or currency, or adjust the portfolio duration. Derivative contracts are instruments that derive their value from underlying assets, indices, reference interest rates, or a combination of these factors. Refer to Note 2 for further description of how derivative instruments are valued. Certain cash instruments, such as mortgage-backed TBAs meet the definition of a derivative instrument under GAAP.
The nature of the counterparty and the settlement mechanism of the derivative affect the credit risk to which the Master Trust is exposed. For OTC derivatives such as swaps, forwards, options and TBAs, the Master Trust is exposed to the credit risk of the derivative counterparty.
For exchange-traded derivatives, such as futures and options, and “cleared” OTC swaps, the Master Trust is generally exposed to the credit risk of the relevant exchange or clearinghouse. Where possible, the Master Trust seeks to mitigate its credit risk exposures arising on derivative transactions through the use of legally enforceable master netting arrangements and collateral agreements.
The Master Trust is also exposed to liquidity risk in the following situations:
1) When the derivative contracts require the Master Trust to post additional cash or securities collateral with counterparties as the fair value of the contracts moves in the counterparties’ favor and the Master Trust’s receivables under related contracts are unavailable for offset or insufficient in value to offset the payment obligation to the counterparty.
2) When certain derivative contracts have credit-related contingent features under the International Swaps and Derivatives Association Master Agreement (generally swaps) with counterparties for contracts in a net liability position.
The Master Trust has liquidity risk if its assets decline by various, pre-specified rates over predetermined time periods. If this occurs, the Master Trust is required to post more collateral or may be required to pay off the open liability contracts given the counterparty’s right to terminate the contract. At December 31, 2025 and 2024, the Master Trust had an insignificant amount of contracts in a net liability position with contingent features with an insignificant amount posted in collateral against those positions.