Unrecognized Tax Benefits - Impacting Effective Tax Rate
Merck & Co. Unrecognized Tax Benefits - Impacting Effective Tax Rate increased by 13.6% to $2.5B in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 13.6%, from $2.2B to $2.5B. Over 5 years (FY 2020 to FY 2025), Unrecognized Tax Benefits - Impacting Effective Tax Rate shows an upward trend with a 10.8% CAGR. This increase may warrant attention — for this metric, lower values are generally preferred.
Analysis
How to read this metric
A higher value indicates greater potential volatility in the effective tax rate should tax positions be settled unfavorably.
Detailed definition
This subset of unrecognized tax benefits represents positions that, if recognized, would directly affect the company's e...
Peer comparison
Widely reported by large-cap peers to provide transparency into the sensitivity of the effective tax rate to tax audits.
unrecognized_tax_benefits_impacting_etrHistorical Data
| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | $1.5B | $1.8B | $2.3B | $2.2B | $2.5B |
| QoQ Change | — | +20.0% | +27.8% | -4.3% | +13.6% |
| YoY Change | — | +20.0% | +27.8% | -4.3% | +13.6% |
Unrecognized Tax Benefits - Impacting Effective Tax Rate at Other Companies
Frequently Asked Questions
- What is Merck & Co.'s unrecognized tax benefits - impacting effective tax rate?
- Merck & Co. (MRK) reported unrecognized tax benefits - impacting effective tax rate of $2.5B in Q4 2025.
- How has Merck & Co.'s unrecognized tax benefits - impacting effective tax rate changed year-over-year?
- Merck & Co.'s unrecognized tax benefits - impacting effective tax rate increased by 13.6% year-over-year, from $2.2B to $2.5B.
- What is the long-term trend for Merck & Co.'s unrecognized tax benefits - impacting effective tax rate?
- Over 5 years (2020 to 2025), Merck & Co.'s unrecognized tax benefits - impacting effective tax rate has grown at a 10.8% compound annual growth rate (CAGR), from $1.5B to $2.5B.
- What does unrecognized tax benefits - impacting effective tax rate mean?
- The portion of uncertain tax benefits that would change the company's reported tax rate if they were finalized.