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How Berkshire hathaway Employees Can Use Intentionally Defective Grantor Trusts (IDGTs) in Estate Planning

Healthcare Provider Update: Healthcare Provider for Berkshire Hathaway: UnitedHealth Group Blog Post Paragraph on Potential Healthcare Cost Increases in 2026: As we look toward 2026, Berkshire Hathaway employees and many others in the United States may face significant challenges with healthcare costs. Current projections indicate that average premiums for Affordable Care Act (ACA) marketplace plans could rise sharply, with some states experiencing increases of over 60%. This surge is largely attributed to the possible expiration of enhanced federal subsidies, alongside escalating medical costs driven by factors such as expensive medications and hospital services. Experts warn that without renewed subsidies, millions of consumers could see their premiums more than double, putting healthcare access at risk for a substantial portion of the population. Consequently, proactive steps to manage these anticipated rises, such as optimizing health plan selections and maximizing health savings accounts, will be essential for both employees and employers alike. Click here to learn more

“Berkshire hathaway employees reviewing IDGTs can benefit from understanding how these trusts may support long-term legacy planning, although qualified legal and tax professionals should review these strategies to determine whether they fit into their overall goals.” ~ Wesley Boudreaux, a representative of The Retirement Group, a division of Wealth Enhancement.

“Berkshire hathaway employees considering an IDGT should recognize how this strategy may support long-term wealth transfer goals, although these structures should be reviewed with qualified legal and tax professionals to determine whether they align with each household’s broader plan.” ~ Patrick Ray, a representative of The Retirement Group, a division of Wealth Enhancement.

In this article, we will discuss:

How intentionally defective grantor trusts (IDGTs) work.
The advantages and potential limitations of using an IDGT.
Key considerations for Berkshire hathaway employees evaluating this type of planning strategy.

An irrevocable trust arrangement known as an intentionally defective grantor trust (IDGT) allows the grantor to move assets out of their taxable estate while still being treated as the owner of those assets for income tax purposes. Many people, including Berkshire hathaway employees with high-growth or income-producing holdings, may benefit from using this strategy to support long-term wealth preservation.

How an Intentionally Defective Grantor Trust Works

For tax purposes, different kinds of trusts receive different treatment, and understanding the distinctions can help Berkshire hathaway professionals review planning strategies more effectively.

Revocable Trusts

In a revocable trust, the grantor is taxed on trust income and is regarded as the owner for income tax purposes. A separate trust income tax return is usually unnecessary. These assets generally remain inside the grantor’s taxable estate because the grantor maintains full control.

Irrevocable Trusts

An irrevocable trust is treated as its own tax entity, filing its own return and taking its own deductions. When properly drafted so the grantor does not retain certain powers or interests, assets transferred to an irrevocable trust are generally removed from the taxable estate, a detail that can matter for Berkshire hathaway professionals with substantial savings or investment holdings.

How IDGTs Combine These Features

An IDGT is structured as an irrevocable trust for estate and gift tax purposes, removing assets from the taxable estate, but is treated as a grantor trust for income tax purposes. As long as the grantor pays income taxes on trust earnings, the trust’s assets can grow outside the estate, which may appeal to Berkshire hathaway professionals with long-term legacy goals.

Why It’s Called “Intentionally Defective”

The trust is drafted so that, under IRS grantor-trust rules, the grantor remains the owner for income tax purposes due to certain retained powers. At the same time, the trust is irrevocable for estate tax purposes, allowing the assets to remain outside the taxable estate—a structure that may assist with multigenerational planning.

Advantages of an Intentionally Defective Grantor Trust

Because an IDGT is a grantor trust for income tax purposes, the grantor pays income tax on trust earnings. This leads to two important benefits that may interest Berkshire hathaway employees with high-value assets:

- Trust assets can grow for beneficiaries without being reduced by income tax payments.
- Income tax paid by the grantor reduces the taxable estate without being classified as a gift.

- This dynamic—where grantors use personal funds to pay taxes that would otherwise reduce trust assets—is often referred to as a “tax burn.”

How Assets Are Transferred to an IDGT

Berkshire hathaway employees reviewing wealth transfer strategies may encounter two common approaches:

1. Gift or Partial Gift/Sale

A grantor can move assets to an IDGT as a gift. If the gift stays within the lifetime gift and estate tax exemption, it typically does not create out-of-pocket gift tax. Some planning approaches combine a partial gift with a sale to balance estate goals.

2. Sale to the IDGT

Many grantors sell assets to an IDGT in exchange for a promissory note with an interest rate at or above the IRS Applicable Federal Rate (AFR).

- The sale is typically not treated as a taxable gift if conducted at fair market value.
- Appreciation above the AFR occurs outside the grantor’s estate for beneficiaries.
- When AFR rules and loan requirements are followed, the note is treated as valid consideration and carries an interest obligation.

Potential Drawbacks of an IDGT

Once established, an IDGT is difficult to modify, similar to other irrevocable trusts. Outcomes also depend on the trust assets growing at a rate higher than the AFR. If that does not occur, the intended estate planning benefits may fall short—an important consideration for Berkshire hathaway employees reviewing various asset types.

Who Might Consider an IDGT?

An IDGT can be appealing for families facing potential estate tax exposure, especially when transferring assets with strong growth potential. This approach works best when the grantor has sufficient liquidity to continue paying the trust’s income taxes personally, a factor some Berkshire hathaway employees review when assessing retirement and estate liquidity. Because the structure requires precise legal drafting, it should be established with qualified legal counsel.

Need Support with IDGTs or Retirement Planning?

The Retirement Group can assist you in reviewing whether an IDGT fits into your broader retirement and estate plan as a Berkshire hathaway employee. For guidance tailored to your long-term goals, call us at (800) 900-5867 .

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Sources:

1. BMO Wealth Management. Herman, Brad. Intentionally Defective Grantor Trust. BMO Financial Group, Oct. 2021,
https://uswealth.bmo.com/media/filer_public/8b/3f/8b3f85c6-21b0-407e-bfbf-0f9b181c1673/bwm_idgtarticle_1103.pdf .

2. Fidelity Wealth Management. “What Is an Intentionally Defective Grantor Trust (IDGT)?” Fidelity Viewpoints , 4 Dec. 2025,
https://www.fidelity.com/viewpoints/wealth-management/insights/intentionally-defective-grantor-trusts .

3. Hirtle, Callaghan & Co. Estate Planning With Intentionally Defective Grantor Trusts.
Hirtle, Callaghan & Co., 2020,
https://www.hirtlecallaghan.com/wp-content/uploads/2020/08/Intentionally-Defective-Grantor-Trusts.pdf .

4. Nevada Trust Company. Ford-Grella, Jaclyn. “How Intentionally Defective Grantor Trusts Can Safeguard Assets for Future Generations.” Nevada Trust Company , 10 Dec. 2024,
https://www.nevadatrust.com/how-intentionally-defective-grantor-trusts-can-safeguard-assets-for-future-generations/ .

How does the merger of the Johns Manville Employees Retirement Plan into the Berkshire Hathaway Consolidated Pension Plan specifically affect the retirement benefits for current employees at Johns Manville? In what ways can eligible employees of Johns Manville leverage the benefits of this merger to maximize their retirement planning?

Impact of Merger on Current Employees' Retirement Benefits: The merger of the Johns Manville Employees Retirement Plan into the Berkshire Hathaway Consolidated Pension Plan does not decrease the pension benefits previously earned by employees under their prior plans. Employees continue to receive the same benefits with the same payment options as provided by their prior plan. Any previous payment elections, beneficiary designations, and qualified domestic relations orders remain effective. This consolidation also maintains the insurance of pension benefits through the federal Pension Benefit Guaranty Corporation.

What are the implications for employees of Johns Manville if they choose to retire early prior to their Normal Retirement Age? How do the specific conditions set forth in the Berkshire Hathaway Consolidated Pension Plan guide early retirees from Johns Manville in making informed decisions regarding their benefit options?

Implications of Early Retirement: Employees of Johns Manville who choose to retire early, before their Normal Retirement Age, can still receive benefits. However, these benefits are adjusted based on the age of retirement. If an employee retires at 60, for instance, their monthly benefit payment from the plan will be reduced by a certain percentage for each month that the benefit payments start before the Normal Retirement Age. This reduction compensates for the longer period over which benefits are expected to be paid.

Given the unique characteristics of the Merged Plan, what should employees at Johns Manville consider when calculating their Average Final Salary, and how does this calculation impact their retirement benefits? Additionally, how is Covered Compensation factored into this adjustment, and what strategies can employees employ to ensure accurate calculations?

Calculation of Average Final Salary and Covered Compensation: When calculating the Average Final Salary for retirement benefits, it includes the highest-paid, five consecutive years out of the last ten years of employment. This calculation impacts the retirement benefits as it forms part of the formula used to determine the pension amount. Additionally, Covered Compensation, which refers to the average of the Social Security wage bases, is used to adjust portions of the salary in the benefits calculation, ensuring that the benefits align with national wage growth trends.

How can employees of Johns Manville navigate the various options available for retirement benefit payments outlined in the Berkshire Hathaway Consolidated Pension Plan? What key points should Johns Manville employees consider regarding the selection of forms of payment and potential tax implications in retirement?

Navigating Retirement Benefit Payment Options: Employees of Johns Manville need to consider the form of payment for their retirement benefits, as different options can have different tax implications and affect monthly income. Options typically include lump sums, annuities, or a combination. Employees should consider their financial needs, tax situation, and life expectancy when choosing the form of payment. Consulting with a financial advisor could be beneficial.

For employees at Johns Manville, what steps should they take to stay informed about their accumulated service and benefit service credits, particularly in relation to the changes brought about by the merger into the Berkshire Hathaway Consolidated Pension Plan? How do vested rights impact their eligibility for retirement benefits?

Staying Informed About Service Credits: To manage the transition and keep track of their service credits post-merger, Johns Manville employees should regularly review their service and benefit statements, maintain communication with the plan administrator, and attend any informational meetings or seminars offered by Berkshire Hathaway. Understanding how service credits are calculated and tracked ensures that employees can accurately plan for retirement.

What is the process for reemployment under the Terms of the Merged Plan for former employees of Johns Manville, and how can they ensure their accumulated benefit service is credited effectively upon rehire? What are the implications of this reemployment on their retirement benefits, particularly concerning their previous employment history?

Reemployment and Accumulated Benefits: Reemployed former employees of Johns Manville should verify how their accumulated benefits are treated upon their rehire. Generally, benefits accumulated during previous periods of employment will be credited upon rehire, but specific plan provisions should be consulted to confirm how reemployment affects accrued benefits and eligibility for additional benefits.

What do the terms of the Berkshire Hathaway Consolidated Pension Plan dictate regarding disability retirement benefits for eligible employees at Johns Manville? How should employees approach the application process for disability benefits, and what criteria do they need to be aware of to qualify?

Disability Retirement Benefits: Eligible employees of Johns Manville who become disabled according to the terms of the plan may qualify for disability retirement benefits. The process involves a determination by the plan administrator, and employees must meet specific criteria outlined in the plan documents to qualify. Understanding these criteria and the required documentation is crucial for accessing disability benefits.

How can employees of Johns Manville ensure they have adequate protection for their beneficiaries under the retirement provisions outlined in the Berkshire Hathaway Consolidated Pension Plan? What specific steps can employees take to secure these benefits, and how can they keep their beneficiary designations updated?

Beneficiary Protections: Employees should regularly review and update their beneficiary designations to ensure that their retirement benefits are distributed according to their wishes upon their death. This includes making any necessary changes following life events such as marriage, divorce, or the birth of a child.

How does participation in the Merged Plan differ for salaried and hourly employees of Johns Manville, and what specific eligibility criteria apply to each group? How can understanding these differences improve retirement planning for employees across the different classifications?

Differences in Participation for Salaried and Hourly Employees: The eligibility and benefits might differ between salaried and hourly employees under the Merged Plan. Understanding these differences helps employees make informed decisions about their retirement planning and benefit utilization.

How can employees of Johns Manville contact the Local Benefits Administrator for assistance regarding their retirement benefits and the contents of their plan documents? What are the recommended methods of communication for inquiries or requests regarding their Merged Plan benefits?

Contacting Local Benefits Administrator: Employees should contact their Local Benefits Administrator for any inquiries or assistance regarding their retirement plan. Keeping the contact information updated and consulting the administrator for guidance on plan provisions and benefit claims is advised for navigating their retirement benefits effectively.

With the current political climate we are in it is important to keep up with current news and remain knowledgeable about your benefits.

Berkshire Hathaway offers both a traditional defined benefit pension plan and a defined contribution 401(k) plan. The defined benefit plan provides retirement income based on years of service and final average pay. The 401(k) plan features company matching contributions and various investment options, including target-date funds and mutual funds. Berkshire Hathaway provides financial planning resources and tools to help employees manage their retirement savings.

Berkshire Hathaway has agreed to a $10 million settlement in a long-running pension dispute involving Acme Brick. The company continues to offer comprehensive retirement benefits, including a defined benefit pension plan and a 401(k) plan. In today's political climate, it is important to stay informed about these benefits.

Berkshire Hathaway does not typically offer RSUs or stock options as part of its employee compensation packages, focusing on other forms of financial incentives and benefits.