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Additions for tax positions of prior years

T-Mobile US Additions for tax positions of prior years remained flat by 0.0% to $17.5M in Q4 2025 compared to the prior quarter. Year-over-year, this metric declined by 50.0%, from $35M to $17.5M. Over 4 years (FY 2021 to FY 2025), Additions for tax positions of prior years shows relatively stable performance with a -1.0% CAGR. This is a positive signal — lower values indicate better performance for this metric.

Analysis

StatementIncome Statement
SectionOther
CategoryRisk
SignalLower is better
VolatilityModerate
First reportedQ1 2018
Last reportedQ4 2025Feb 11, 2026

How to read this metric

An increase suggests higher tax uncertainty or aggressive past tax positions, while a decrease indicates resolution or reduced risk.

Detailed definition

Represents the gross increase in unrecognized tax benefits due to tax positions taken in prior reporting periods. This r...

Peer comparison

Commonly reported in tax footnotes as part of the reconciliation of unrecognized tax benefits.

Metric ID: other_unrecognized_tax_benefits_increases_resulting_from_bb8d5f

Historical Data

5 years
 FY'21FY'22FY'23FY'24FY'25
Value$73M$31M$19M$140M$70M
YoY Change-57.5%-38.7%+636.8%-50.0%
Range$19M$140M
CAGR-1.0%
Avg YoY Growth+122.6%
Median YoY Growth-44.4%

Frequently Asked Questions

What is T-Mobile US's additions for tax positions of prior years?
T-Mobile US (TMUS) reported additions for tax positions of prior years of $17.5M in Q4 2025.
How has T-Mobile US's additions for tax positions of prior years changed year-over-year?
T-Mobile US's additions for tax positions of prior years decreased by 50.0% year-over-year, from $35M to $17.5M.
What is the long-term trend for T-Mobile US's additions for tax positions of prior years?
Over 4 years (2021 to 2025), T-Mobile US's additions for tax positions of prior years has grown at a -1.0% compound annual growth rate (CAGR), from $73M to $70M.
What does additions for tax positions of prior years mean?
The increase in potential tax liabilities related to tax positions taken in previous years.