By Nir Dukas, founder of SeeNote.

How do you read a deferred tax asset valuation allowance?

A valuation allowance reduces deferred tax assets when it is more likely than not, meaning a likelihood of more than 50 percent, that some or all of them will not be realized. Read it in the income tax note: the deferred tax table shows the amount, the rollforward shows the change, and the rate reconciliation shows its effect on tax expense.

Large allowances tend to arrive in bad years, when a company has piled up losses and its own forecasts carry less weight. The charge can turn a pretax loss into a much larger net loss without a dollar of cash leaving the business, and the explanation in the note may be a single paragraph.

What is a valuation allowance on deferred tax assets?

A deferred tax asset is a future tax saving: a loss carryforward, an unused credit, or an expense booked now but deductible later. It only turns into cash if the company later has taxable income to set it against.

The valuation allowance is the reserve against that risk. ASC 740-10-30-5(e) requires a company to reduce its deferred tax assets "by a valuation allowance if, based on the weight of available evidence, it is more likely than not (a likelihood of more than 50 percent) that some portion or all of the deferred tax assets will not be realized." The test points toward non-realization: the question is whether the assets will not be realized, and the allowance can cover part of the assets or all of them.

Realization needs taxable income, and ASC 740-10-30-18 lists four places it can come from: "Future reversals of existing taxable temporary differences," "Future taxable income exclusive of reversing temporary differences and carryforwards," "Taxable income in prior carryback year(s) if carryback is permitted under the tax law," and "Tax-planning strategies" (quoted in Deloitte's Roadmap on income taxes, section 5.3). A company that has to rely on future profits, the second source, runs straight into the evidence test.

What evidence decides whether an allowance is needed?

ASC 740-10-30-17 says "All available evidence, both positive and negative, shall be considered." The standard then puts a thumb on the scale. Paragraph 30-21: "Forming a conclusion that a valuation allowance is not needed is difficult when there is negative evidence such as cumulative losses in recent years." Paragraph 30-23 adds that the weight of each piece of evidence "shall be commensurate with the extent to which it can be objectively verified," and closes with the sentence most valuation allowance notes are written around: "A cumulative loss in recent years is a significant piece of negative evidence that is difficult to overcome."

Negative evidence, examples (ASC 740-10-30-21)Positive evidence, examples (ASC 740-10-30-22)
Cumulative losses in recent yearsExisting contracts or firm sales backlog that will produce more than enough taxable income
A history of operating loss or tax credit carryforwards expiring unusedAn excess of appreciated asset value over the tax basis of the entity's net assets
Losses expected in early future years (by a presently profitable entity)A strong earnings history exclusive of the loss that created the future deductible amount
Unsettled circumstances that, if unfavorably resolved, would hurt future operations and profits

Source: ASC 740-10-30-21 to 30-23 as reproduced in Deloitte's Roadmap on income taxes, section 5.2.

The weighting rule explains why notes read the way they do. A historical loss can be verified; a forecast of recovery is much harder to verify, so notes tend to cite the loss.

The "three-year" cumulative loss measure you will see in filings, Intel's included, is a convention from practice. Deloitte's commentary explains where it came from and does not treat it as a bright line written into ASC 740.

How does establishing or releasing an allowance move net income?

Recording an allowance writes down an asset, and the other side of the entry is usually deferred income tax expense. No cash moves. The company has not paid more tax; it has stopped counting on a future saving. Pretax income is unchanged, but net income falls by the full charge, and the effective tax rate can jump to a number that looks absurd on its own.

Releasing an allowance runs the same path in reverse. Coca-Cola's 2025 10-K describes it in plain terms: if the company were to implement tax planning strategies or "generate sufficient income of the appropriate character in these jurisdictions in the future, it could lead to the reversal of these valuation allowances and a reduction of income tax expense." A large release can therefore lift net income in a year when operations did nothing special, so it deserves the same scrutiny as a charge.

Also check what the allowance covers. Coca-Cola's $388 million at the end of 2025 relates mainly to loss carryforwards, foreign tax credit carryforwards and basis differences in certain equity investments, a narrow reserve inside a profitable group. Intel's is largely attributable, in its own words, to "the uncertainty regarding the realizability of the US deferred tax assets."

Where does the valuation allowance appear in a 10-K?

LocationWhat you learnAt Intel, 2024 10-K
Deferred tax table in the income tax noteThe balance, netted against gross deferred tax assetsValuation allowance of $(13,974) million against $17,964 million of gross assets
Valuation allowance rollforwardAdditions and deductions during the yearAdditions of $10,927 million; no deductions
Effective tax rate reconciliationThe effect of the change on this year's tax rate"Federal valuation allowance" line of 93.2 percentage points
MD&A, provision for taxesManagement's explanation and timing$9.9 billion of non-cash charges to the tax provision

Source: Intel Corporation Form 10-K for the fiscal year ended December 28, 2024, Note 8: Income Taxes and MD&A.

The accounting policies note adds the method. Intel's says: "If recovery is not likely, we must increase our provision for taxes by recording a valuation allowance against the deferred tax assets that we estimate will not ultimately be recoverable." Under ASU 2023-09, effective for public business entities for annual periods beginning after December 15, 2024, "changes in valuation allowances" is one of the categories the rate reconciliation must show, so in the 2025 10-Ks of calendar-year companies the line has a standard name.

What did Intel's 2024 income tax note say about its valuation allowance?

Intel's 10-K for the fiscal year ended December 28, 2024, filed January 31, 2025, discusses the allowance in Note 8: Income Taxes. The explanation uses the language of the standard almost word for word:

"We assess the recoverability of our deferred tax assets quarterly, weighing available positive and negative evidence. As a result of our assessment in the third quarter of 2024, we determined it was more likely than not that the deferred tax assets will not be recoverable based upon our three-year cumulative historical loss position as of the third quarter of 2024, largely resulting from the asset impairment and restructuring and other charges incurred during 2024."

The numbers around it:

Item ($ millions)20242023
Income (loss) before taxes(11,210)762
US income (loss) before taxes(13,450)(4,749)
Provision for (benefit from) taxes8,023(913)
Federal deferred provision (benefit)6,192(2,048)
Effective tax rate71.6%(119.8)%
Net income (loss)(19,233)1,675
Gross deferred tax assets17,96414,531
Valuation allowance(13,974)(3,047)
Net deferred tax assets (liabilities)(859)5,273

Source: Intel 2024 10-K, Note 8: Income Taxes and the consolidated statements of income.

Read the table from the top. Intel lost $11.2 billion before tax, so a 21 percent statutory rate implies a tax benefit; the reconciliation shows that expected rate as (21.0) percent. Instead Intel booked an $8.0 billion expense. The "Federal valuation allowance" line, at 93.2 percentage points, more than accounts for the 92.6-point gap between the two rates. A $5.3 billion net deferred tax asset became an $859 million net liability, and net loss reached $19.2 billion, far larger than the pretax loss.

The note gives one more line worth quoting: "The $10.9 billion change in valuation allowance from December 30, 2023 to December 28, 2024 is largely attributable to the uncertainty regarding the realizability of the US deferred tax assets." MD&A gives a different figure, "$9.9 billion of non-cash charges recorded to provision for income taxes that substantially related to valuation allowances recorded to our net deferred tax assets." The two do not match, and the note does not reconcile them. The rollforward column is labeled "Additions Charged to Expenses/Other Accounts," so part of the difference may be amounts that did not run through the tax provision.

The pretax split also shows why US assets were the problem. Intel reported US pretax losses in 2022, 2023 and 2024 ($1,161 million, $4,749 million and $13,450 million), while non-US pretax income was positive in all three years. The largest deferred tax asset in the table is $10,709 million for "R&D expenditures capitalization."

What happened to Intel's valuation allowance in 2025?

An allowance is reassessed every quarter, so the next filing is where you learn whether the evidence moved. Intel's 10-K for the fiscal year ended December 27, 2025 shows it did not. The allowance grew from $13,974 million to $16,402 million, with additions of $2,428 million and, for the third year running, no deductions. The note's explanation is almost the same sentence as before: the change "is substantially attributable to the uncertainty regarding the realizability of our U.S. deferred tax assets."

The 2025 note is also Intel's first under ASU 2023-09, which it adopted prospectively, so it shows the allowance in the new format. In a reconciliation that runs from a $327 million statutory amount to a $1,531 million provision on $1,557 million of pretax income, "Changes in valuation allowances" adds $2,629 million, or 168.9 percentage points. The "Research and development credit" line reduces tax by $977 million. MD&A attributes the higher 98.3 percent rate "primarily" to "a change in 2025 valuation allowance against current year tax attributes," which suggests that new tax benefits earned in 2025 were reserved as they arose. Net income for 2025 was $26 million.

So the allowance keeps working after the year it is established, and the effective rate stays high. Reducing it would take positive evidence strong enough to outweigh the cumulative loss that created it.

Because the test runs every quarter, a valuation allowance can be established or released in any quarter, as Intel's was in the third quarter of 2024. See how 10-Q notes differ from a 10-K for what the quarterly tax note does and does not repeat.

How should you read a valuation allowance note, step by step?

A valuation allowance sits in several tables of one note, plus MD&A. A practical order:

  1. Find the gross deferred tax assets and the allowance. In the deferred tax table, divide the valuation allowance by gross deferred tax assets to see how much of the asset the company no longer counts on.
  2. Read the rollforward. Check additions and deductions for the year and the note's sentence explaining the change.
  3. Find the line in the rate reconciliation. Look for the valuation allowance line and its effect in percentage points and, from 2025, in dollars.
  4. Split pretax income by jurisdiction. Compare domestic and foreign pretax income to see which jurisdiction's losses drove the allowance.
  5. Compare pretax income with net income. Measure how much of the change in net income comes from tax rather than operations.
  6. Read the next 10-Q. Watch for additions, deductions or a release, since the assessment is repeated every quarter.

At Intel in 2024, the first step gives 78 percent: $13,974 million of allowance against $17,964 million of gross deferred tax assets. America's Car-Mart, the worked example in our going concern guide, established a $53.0 million non-cash valuation allowance against the net deferred tax assets of its finance subsidiary in the same year its going concern note appeared. Both judgments turn on the same question: how much future income should management be allowed to count on?

Questions

What does more likely than not mean for a valuation allowance?

ASC 740-10-30-5(e) defines it as a likelihood of more than 50 percent. A company records a valuation allowance if, based on the weight of available evidence, it is more likely than not that some portion or all of its deferred tax assets will not be realized.

Is a valuation allowance a cash charge?

No. Recording an allowance reduces a deferred tax asset and usually increases deferred income tax expense, but no tax is paid. Intel's 2024 10-K describes $9.9 billion of non-cash charges to the provision for income taxes that substantially related to valuation allowances on its net deferred tax assets.

Why do cumulative losses lead to a valuation allowance?

ASC 740-10-30-23 says a cumulative loss in recent years is a significant piece of negative evidence that is difficult to overcome, and evidence is weighted by how objectively it can be verified. Intel cited its three-year cumulative historical loss position as of the third quarter of 2024.

What happens when a valuation allowance is released?

The allowance is reduced and income tax expense falls, which raises net income without any change in pretax income. Coca-Cola's 2025 10-K says generating sufficient income of the appropriate character could lead to the reversal of its valuation allowances and a reduction of income tax expense.

Reading a valuation allowance without losing your place

A valuation allowance is spread across the deferred tax table, the rollforward, the rate reconciliation and MD&A, and MD&A points you back to the tax note by number. SeeNote is a Chrome extension that turns "see Note 8" style references in EDGAR 10-Ks and 10-Qs into links that open the note verbatim in a popup where you are reading, so you can check the explanation against the numbers without scrolling away. On a filing with inline XBRL, its Key figures tab shows the headline numbers, each linked to the line that prints it, free. Your first three filings are free, with no card and no expiry; pricing is on seenote.co.