Merck (MRK) Long-Term Debt: $46,673 Mil (As of Mar. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

MRK Merck & Co Inc MRK
72 GF Score
Price $120.62
GF Value $118.65
Valuation Fairly Valued
! 8 Warning Signs
View Full Analysis

What is Merck Long-Term Debt?

Merck MRK -2.75% 72 Long-Term Debt is $46,673 Mil as of Mar. 2026. GuruFocus rates MRK with a GF Score™ of 72/100 and a GF Value™ of $118.65 (Fairly Valued). The stock has 8 warning signs investors should review.

Merck's Long-Term Debt for the quarter that ended in Mar. 2026 was $46,673 Mil.

Merck's quarterly Long-Term Debt increased from Sep. 2025 ($39,969 Mil) to Dec. 2025 ($46,750 Mil) but then declined from Dec. 2025 ($46,750 Mil) to Mar. 2026 ($46,673 Mil).

Merck's annual Long-Term Debt increased from Dec. 2023 ($33,683 Mil) to Dec. 2024 ($34,462 Mil) and increased from Dec. 2024 ($34,462 Mil) to Dec. 2025 ($46,750 Mil).

Merck  (NYSE:MRK) Long-Term Debt Explanation

Long-Term Debt is the sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer. Long-Term Debt includes notes payable, bonds payable, mortgage loans, convertible debt, subordinated debt and other types of long term debt.

Merck Long-Term Debt Related Terms

Merck Long-Term Debt Historical Data

* Premium members only.

The historical data trend for Merck's Long-Term Debt can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Merck Long-Term Debt Chart

Merck Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Long-Term Debt
Get a 7-Day Free Trial Premium Member Only Premium Member Only 30,690.00 28,745.00 33,683.00 34,462.00 46,750.00

Merck Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Long-Term Debt Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 33,484.00 33,968.00 39,969.00 46,750.00 46,673.00
MRK
72GF Score
Merck & Co Inc MRK
Long-Term Debt is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis
Frequently Asked Questions Learn more about Long-Term Debt →
What does a Long-Term Debt of $46,673 Mil mean?
Merck (MRK) has a Long-Term Debt of $46,673 Mil as of Mar. 2026.
Is Merck's Long-Term Debt too high?
Merck's current Long-Term Debt is $46,673 Mil. Overall, Merck has a GF Score™ of 72/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Merck's Long-Term Debt compare to AMGN and ABBV?
Merck's Long-Term Debt of $46,673 Mil can be compared against companies in the Drug Manufacturers industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Long-Term Debt for a Drug Manufacturers company?
A good Long-Term Debt depends on the Drug Manufacturers industry context. However, Long-Term Debt should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Long-Term Debt mean?
A high Long-Term Debt can signal that a stock is expensive relative to its fundamentals. Merck's current Long-Term Debt is $46,673 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Merck stock overvalued right now?
Based on GuruFocus' analysis, Merck (MRK) is currently considered Fairly Valued. The stock's GF Value™ is $118.65, compared to a current price of $120.62 — trading 1.7% above its estimated fair value. The current Long-Term Debt is $46,673 Mil. Merck's overall GF Score™ is 72/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Long-Term Debt calculated?
Long-Term Debt is calculated from a company's financial statements. For Merck (MRK), the current Long-Term Debt is $46,673 Mil as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Merck (MRK) Overvalued in 2026?

Based on GuruFocus' analysis, Merck stock appears to be overvalued. The current stock price of $120.62 is trading 1.7% above its estimated GF Value™ of $118.65. GuruFocus considers Merck to be Fairly Valued.

Key valuation signals for MRK:

  • Long-Term Debt: $46,673 Mil
  • GF Value™: $118.65 vs. price of $120.62 (1.7% above fair value)
  • GF Score™: 72/100 with 8 warning signs

No single metric tells the full story. See the MRK stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Merck Business Description

Address 126 East Lincoln Avenue, Rahway, NJ, USA, 07065
Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections. Within cancer, the firm's immuno-oncology platform, led by Keytruda, is a major contributor to overall sales. The company also has a substantial vaccine business aimed at preventing pediatric diseases, as well as Gardasil for human papillomavirus. Additionally, Merck sells animal health-related drugs. From a geographical perspective, 47% of the company's sales are generated from US human health (pharmaceuticals and vaccines).
72GF Score

Get the complete analysis for MRK

Long-Term Debt is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$120.62
Price
$118.65
GF Value