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Microsoft Excel LibreOffice Calc


Analysis of Income Taxes

Difficulty: Advanced


Income Tax Accounting Policy

Delta accounts for deferred income taxes under the liability method. Delta recognizes deferred tax assets and liabilities based on the tax effects of temporary differences between the financial statement and tax basis of assets and liabilities, as measured by current enacted tax rates. Deferred tax assets and liabilities are recorded net as noncurrent deferred income taxes.

A valuation allowance is recorded to reduce deferred tax assets when necessary. Delta periodically assesses whether it is more likely than not that Delta will generate sufficient taxable income to realize the deferred income tax assets. Delta establishes valuation allowances if it is not likely Delta will realize the deferred income tax assets. In making this determination, Delta considers all available positive and negative evidence and makes certain assumptions. Delta considers, among other things, projected future taxable income, scheduled reversals of deferred tax liabilities, the overall business environment, the historical financial results and tax planning strategies.

Source: 10-K (filing date: 2018-02-23).


Income Tax Expense (Benefit)

Delta Air Lines Inc., income tax expense (benefit), continuing operations

USD $ in millions

Microsoft Excel LibreOffice Calc
12 months ended Dec 31, 2017 Dec 31, 2016 Dec 31, 2015 Dec 31, 2014 Dec 31, 2013
Federal hidden hidden hidden hidden hidden
State and local hidden hidden hidden hidden hidden
International hidden hidden hidden hidden hidden
Current tax provision (benefit) hidden hidden hidden hidden hidden
Federal hidden hidden hidden hidden hidden
State and local hidden hidden hidden hidden hidden
Deferred tax provision (benefit) hidden hidden hidden hidden hidden
Income tax provision (benefit) hidden hidden hidden hidden hidden

Based on: 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-11), 10-K (filing date: 2014-02-24).

Item Description The company
Current tax provision (benefit) The component of income tax expense for the period representing amounts of income taxes paid or payable (or refundable) for the period for all income tax obligations as determined by applying the provisions of relevant enacted tax laws to relevant amounts of taxable income (loss) from continuing operations. Delta Air Lines Inc.'s current tax provision (benefit) declined from 2015 to 2016 but then increased from 2016 to 2017 exceeding 2015 level.
Deferred tax provision (benefit) The component of income tax expense for the period representing the net change in the entity's deferred tax assets and liabilities pertaining to continuing operations. Delta Air Lines Inc.'s deferred tax provision (benefit) declined from 2015 to 2016 and from 2016 to 2017.
Income tax provision (benefit) The sum of the current income tax expense (benefit) and the deferred income tax expense (benefit) pertaining to pretax income (loss) from continuing operations; income tax expense (benefit) may include interest and penalties on tax uncertainties based on the entity's accounting policy. Delta Air Lines Inc.'s income tax provision (benefit) declined from 2015 to 2016 and from 2016 to 2017.

Effective Income Tax Rate (EITR)

Delta Air Lines Inc., effective income tax rate (EITR) reconciliation

Microsoft Excel LibreOffice Calc
Dec 31, 2017 Dec 31, 2016 Dec 31, 2015 Dec 31, 2014 Dec 31, 2013
U.S. federal statutory income tax rate hidden hidden hidden hidden hidden
State taxes, net of federal benefit hidden hidden hidden hidden hidden
Decrease in valuation allowance hidden hidden hidden hidden hidden
Foreign tax rate differential hidden hidden hidden hidden hidden
Tax Cuts and Jobs Act adjustment hidden hidden hidden hidden hidden
Income tax allocation hidden hidden hidden hidden hidden
Other hidden hidden hidden hidden hidden
Effective income tax rate hidden hidden hidden hidden hidden

Based on: 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-11), 10-K (filing date: 2014-02-24).

Item Description The company
Effective income tax rate A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations. Delta Air Lines Inc.'s effective income tax rate declined from 2015 to 2016 but then increased from 2016 to 2017 exceeding 2015 level.

Components of Deferred Tax Assets and Liabilities

Delta Air Lines Inc., components of deferred tax assets and liabilities

USD $ in millions

Microsoft Excel LibreOffice Calc
Dec 31, 2017 Dec 31, 2016 Dec 31, 2015 Dec 31, 2014 Dec 31, 2013
Net operating loss carryforwards hidden hidden hidden hidden hidden
Pension, postretirement and other benefits hidden hidden hidden hidden hidden
Alternative minimum tax credit carryforward hidden hidden hidden hidden hidden
Deferred revenue hidden hidden hidden hidden hidden
Other hidden hidden hidden hidden hidden
Deferred tax assets, gross hidden hidden hidden hidden hidden
Valuation allowance hidden hidden hidden hidden hidden
Deferred tax assets hidden hidden hidden hidden hidden
Depreciation hidden hidden hidden hidden hidden
Intangible assets hidden hidden hidden hidden hidden
Other hidden hidden hidden hidden hidden
Deferred tax liabilities hidden hidden hidden hidden hidden
Net deferred tax assets (liabilities) hidden hidden hidden hidden hidden

Based on: 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-11), 10-K (filing date: 2014-02-24).

Item Description The company
Deferred tax assets, gross The sum of the tax effects as of the balance sheet date of the amounts of all future tax deductions arising from temporary differences between tax basis and generally accepted accounting principles basis recognition of assets, liabilities, revenues and expenses, which can only be deducted for tax purposes when permitted under enacted tax laws (before the valuation allowance, if any, to reduce such sum amount to net realizable value). Includes any tax benefit realized in deferred tax assets for significant impacts of tax planning strategies. Delta Air Lines Inc.'s deferred tax assets, gross declined from 2015 to 2016 and from 2016 to 2017.
Deferred tax assets The aggregate tax effects as of the balance sheet date of all future tax deductions arising from temporary differences between tax basis and generally accepted accounting principles basis recognition of assets, liabilities, revenues and expenses, which can only be deducted for tax purposes when permitted under enacted tax laws; net of deducting the allocated valuation allowance, if any, to reduce such amount to net realizable value. Delta Air Lines Inc.'s deferred tax assets declined from 2015 to 2016 and from 2016 to 2017.
Net deferred tax assets (liabilities) For entities that net deferred tax assets and tax liabilities, represents the unclassified net amount of deferred tax assets and liabilities as of the balance sheet date, which result from applying the applicable enacted tax rate to net temporary differences and carryforwards pertaining to assets or liabilities. A temporary difference is a difference between the tax basis of an asset or liability and its carrying amount in the financial statements prepared in accordance with generally accepted accounting principles that will reverse in ensuing periods. Delta Air Lines Inc.'s net deferred tax assets (liabilities) declined from 2015 to 2016 and from 2016 to 2017.

Deferred Tax Assets and Liabilities, Classification

Delta Air Lines Inc., deferred tax assets and liabilities, classification

USD $ in millions

Microsoft Excel LibreOffice Calc
Dec 31, 2017 Dec 31, 2016 Dec 31, 2015 Dec 31, 2014 Dec 31, 2013
Current deferred tax assets, net hidden hidden hidden hidden hidden
Noncurrent deferred tax assets, net hidden hidden hidden hidden hidden

Based on: 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-11), 10-K (filing date: 2014-02-24).

Item Description The company
Current deferred tax assets, net The current portion of the aggregate tax effects as of the balance sheet date of all future tax deductions arising from temporary differences between tax basis and generally accepted accounting principles basis recognition of assets, liabilities, revenues and expenses, which can only be deducted for tax purposes when permitted under enacted tax laws; after deducting the allocated valuation allowance, if any, to reduce such amount to net realizable value. Deferred tax liabilities and assets shall be classified as current or noncurrent based on the classification of the related asset or liability for financial reporting. A deferred tax liability or asset that is not related to an asset or liability for financial reporting, including deferred tax assets related to carryforwards, shall be classified according to the expected reversal date of the temporary difference. An unrecognized tax benefit that is directly related to a position taken in a tax year that results in a net operating loss carryforward should be presented as a reduction of the related deferred tax asset.
Noncurrent deferred tax assets, net The noncurrent portion as of the balance sheet date of the aggregate carrying amount of all future tax deductions arising from temporary differences between tax basis and generally accepted accounting principles basis recognition of assets, liabilities, revenues and expenses, which can only be deducted for tax purposes when permitted under enacted tax laws; after the valuation allowance, if any, to reduce such amount to net realizable value. Deferred tax liabilities and assets shall be classified as current or noncurrent based on the classification of the related asset or liability for financial reporting. A deferred tax liability or asset that is not related to an asset or liability for financial reporting, including deferred tax assets related to carryforwards, shall be classified according to the expected reversal date of the temporary difference. Delta Air Lines Inc.'s noncurrent deferred tax assets, net declined from 2015 to 2016 and from 2016 to 2017.

Analyst Adjustments: Removal of Deferred Taxes

Delta Air Lines Inc., adjustments to financial data

USD $ in millions

Microsoft Excel LibreOffice Calc
Dec 31, 2017 Dec 31, 2016 Dec 31, 2015 Dec 31, 2014 Dec 31, 2013
Adjustment to Current Assets
Current assets (as reported) hidden hidden hidden hidden hidden
Less: Current deferred tax assets, net hidden hidden hidden hidden hidden
Current assets (adjusted) hidden hidden hidden hidden hidden
Adjustment to Total Assets
Total assets (as reported) hidden hidden hidden hidden hidden
Less: Current deferred tax assets, net hidden hidden hidden hidden hidden
Less: Noncurrent deferred tax assets, net hidden hidden hidden hidden hidden
Total assets (adjusted) hidden hidden hidden hidden hidden
Adjustment to Stockholders' Equity
Stockholders' equity (as reported) hidden hidden hidden hidden hidden
Less: Net deferred tax assets (liabilities) hidden hidden hidden hidden hidden
Stockholders' equity (adjusted) hidden hidden hidden hidden hidden
Adjustment to Net Income
Net income (as reported) hidden hidden hidden hidden hidden
Add: Deferred income tax expense (benefit) hidden hidden hidden hidden hidden
Net income (adjusted) hidden hidden hidden hidden hidden

Based on: 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-11), 10-K (filing date: 2014-02-24).


Adjusted Ratios: Removal of Deferred Taxes (Summary)

Delta Air Lines Inc., adjusted ratios

Microsoft Excel LibreOffice Calc
Dec 31, 2017 Dec 31, 2016 Dec 31, 2015 Dec 31, 2014 Dec 31, 2013
Current Ratio
Reported current ratio hidden hidden hidden hidden hidden
Adjusted current ratio hidden hidden hidden hidden hidden
Net Profit Margin
Reported net profit margin hidden hidden hidden hidden hidden
Adjusted net profit margin hidden hidden hidden hidden hidden
Total Asset Turnover
Reported total asset turnover hidden hidden hidden hidden hidden
Adjusted total asset turnover hidden hidden hidden hidden hidden
Financial Leverage
Reported financial leverage hidden hidden hidden hidden hidden
Adjusted financial leverage hidden hidden hidden hidden hidden
Return on Equity (ROE)
Reported ROE hidden hidden hidden hidden hidden
Adjusted ROE hidden hidden hidden hidden hidden
Return on Assets (ROA)
Reported ROA hidden hidden hidden hidden hidden
Adjusted ROA hidden hidden hidden hidden hidden

Based on: 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-11), 10-K (filing date: 2014-02-24).

Ratio Description The company
Adjusted current ratio A liquidity ratio calculated as adjusted current assets divided by adjusted current liabilities. Delta Air Lines Inc.'s adjusted current ratio deteriorated from 2015 to 2016 and from 2016 to 2017.
Adjusted net profit margin An indicator of profitability, calculated as adjusted net income divided by total revenue. Delta Air Lines Inc.'s adjusted net profit margin deteriorated from 2015 to 2016 and from 2016 to 2017.
Adjusted total asset turnover An activity ratio calculated as total revenue divided by adjusted total assets. Delta Air Lines Inc.'s adjusted total asset turnover deteriorated from 2015 to 2016 and from 2016 to 2017.
Adjusted financial leverage A measure of financial leverage calculated as adjusted total assets divided by adjusted total equity.
Financial leverage is the extent to which a company can effect, through the use of debt, a proportional change in the return on common equity that is greater than a given proportional change in operating income.
Delta Air Lines Inc.'s adjusted financial leverage declined from 2015 to 2016 and from 2016 to 2017.
Adjusted ROE A profitability ratio calculated as adjusted net income divided by adjusted shareholders' equity. Delta Air Lines Inc.'s adjusted ROE deteriorated from 2015 to 2016 and from 2016 to 2017.
Adjusted ROA A profitability ratio calculated as adjusted net income divided by adjusted total assets. Delta Air Lines Inc.'s adjusted ROA deteriorated from 2015 to 2016 and from 2016 to 2017.

Adjusted Current Ratio

Microsoft Excel LibreOffice Calc
Dec 31, 2017 Dec 31, 2016 Dec 31, 2015 Dec 31, 2014 Dec 31, 2013
As Reported
Current assets (USD $ in millions) hidden hidden hidden hidden hidden
Current liabilities (USD $ in millions) hidden hidden hidden hidden hidden
Current ratio1 hidden hidden hidden hidden hidden
Adjusted for Deferred Taxes
Adjusted current assets (USD $ in millions) hidden hidden hidden hidden hidden
Adjusted current ratio2 hidden hidden hidden hidden hidden

Based on: 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-11), 10-K (filing date: 2014-02-24).

2017 Calculations

1 Current ratio = Current assets ÷ Current liabilities
= hidden ÷ hidden = hidden

2 Adjusted current ratio = Adjusted current assets ÷ Current liabilities
= hidden ÷ hidden = hidden

Ratio Description The company
Adjusted current ratio A liquidity ratio calculated as adjusted current assets divided by adjusted current liabilities. Delta Air Lines Inc.'s adjusted current ratio deteriorated from 2015 to 2016 and from 2016 to 2017.

Adjusted Net Profit Margin

Microsoft Excel LibreOffice Calc
Dec 31, 2017 Dec 31, 2016 Dec 31, 2015 Dec 31, 2014 Dec 31, 2013
As Reported
Net income (USD $ in millions) hidden hidden hidden hidden hidden
Operating revenue (USD $ in millions) hidden hidden hidden hidden hidden
Net profit margin1 hidden hidden hidden hidden hidden
Adjusted for Deferred Taxes
Adjusted net income (USD $ in millions) hidden hidden hidden hidden hidden
Adjusted net profit margin2 hidden hidden hidden hidden hidden

Based on: 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-11), 10-K (filing date: 2014-02-24).

2017 Calculations

1 Net profit margin = 100 × Net income ÷ Operating revenue
= 100 × hidden ÷ hidden = hidden

2 Adjusted net profit margin = 100 × Adjusted net income ÷ Operating revenue
= 100 × hidden ÷ hidden = hidden

Ratio Description The company
Adjusted net profit margin An indicator of profitability, calculated as adjusted net income divided by total revenue. Delta Air Lines Inc.'s adjusted net profit margin deteriorated from 2015 to 2016 and from 2016 to 2017.

Adjusted Total Asset Turnover

Microsoft Excel LibreOffice Calc
Dec 31, 2017 Dec 31, 2016 Dec 31, 2015 Dec 31, 2014 Dec 31, 2013
As Reported
Operating revenue (USD $ in millions) hidden hidden hidden hidden hidden
Total assets (USD $ in millions) hidden hidden hidden hidden hidden
Total asset turnover1 hidden hidden hidden hidden hidden
Adjusted for Deferred Taxes
Adjusted total assets (USD $ in millions) hidden hidden hidden hidden hidden
Adjusted total asset turnover2 hidden hidden hidden hidden hidden

Based on: 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-11), 10-K (filing date: 2014-02-24).

2017 Calculations

1 Total asset turnover = Operating revenue ÷ Total assets
= hidden ÷ hidden = hidden

2 Adjusted total asset turnover = Operating revenue ÷ Adjusted total assets
= hidden ÷ hidden = hidden

Ratio Description The company
Adjusted total asset turnover An activity ratio calculated as total revenue divided by adjusted total assets. Delta Air Lines Inc.'s adjusted total asset turnover deteriorated from 2015 to 2016 and from 2016 to 2017.

Adjusted Financial Leverage

Microsoft Excel LibreOffice Calc
Dec 31, 2017 Dec 31, 2016 Dec 31, 2015 Dec 31, 2014 Dec 31, 2013
As Reported
Total assets (USD $ in millions) hidden hidden hidden hidden hidden
Stockholders' equity (USD $ in millions) hidden hidden hidden hidden hidden
Financial leverage1 hidden hidden hidden hidden hidden
Adjusted for Deferred Taxes
Adjusted total assets (USD $ in millions) hidden hidden hidden hidden hidden
Adjusted stockholders' equity (USD $ in millions) hidden hidden hidden hidden hidden
Adjusted financial leverage2 hidden hidden hidden hidden hidden

Based on: 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-11), 10-K (filing date: 2014-02-24).

2017 Calculations

1 Financial leverage = Total assets ÷ Stockholders' equity
= hidden ÷ hidden = hidden

2 Adjusted financial leverage = Adjusted total assets ÷ Adjusted stockholders' equity
= hidden ÷ hidden = hidden

Ratio Description The company
Adjusted financial leverage A measure of financial leverage calculated as adjusted total assets divided by adjusted total equity.
Financial leverage is the extent to which a company can effect, through the use of debt, a proportional change in the return on common equity that is greater than a given proportional change in operating income.
Delta Air Lines Inc.'s adjusted financial leverage declined from 2015 to 2016 and from 2016 to 2017.

Adjusted Return on Equity (ROE)

Microsoft Excel LibreOffice Calc
Dec 31, 2017 Dec 31, 2016 Dec 31, 2015 Dec 31, 2014 Dec 31, 2013
As Reported
Net income (USD $ in millions) hidden hidden hidden hidden hidden
Stockholders' equity (USD $ in millions) hidden hidden hidden hidden hidden
ROE1 hidden hidden hidden hidden hidden
Adjusted for Deferred Taxes
Adjusted net income (USD $ in millions) hidden hidden hidden hidden hidden
Adjusted stockholders' equity (USD $ in millions) hidden hidden hidden hidden hidden
Adjusted ROE2 hidden hidden hidden hidden hidden

Based on: 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-11), 10-K (filing date: 2014-02-24).

2017 Calculations

1 ROE = 100 × Net income ÷ Stockholders' equity
= 100 × hidden ÷ hidden = hidden

2 Adjusted ROE = 100 × Adjusted net income ÷ Adjusted stockholders' equity
= 100 × hidden ÷ hidden = hidden

Ratio Description The company
Adjusted ROE A profitability ratio calculated as adjusted net income divided by adjusted shareholders' equity. Delta Air Lines Inc.'s adjusted ROE deteriorated from 2015 to 2016 and from 2016 to 2017.

Adjusted Return on Assets (ROA)

Microsoft Excel LibreOffice Calc
Dec 31, 2017 Dec 31, 2016 Dec 31, 2015 Dec 31, 2014 Dec 31, 2013
As Reported
Net income (USD $ in millions) hidden hidden hidden hidden hidden
Total assets (USD $ in millions) hidden hidden hidden hidden hidden
ROA1 hidden hidden hidden hidden hidden
Adjusted for Deferred Taxes
Adjusted net income (USD $ in millions) hidden hidden hidden hidden hidden
Adjusted total assets (USD $ in millions) hidden hidden hidden hidden hidden
Adjusted ROA2 hidden hidden hidden hidden hidden

Based on: 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-11), 10-K (filing date: 2014-02-24).

2017 Calculations

1 ROA = 100 × Net income ÷ Total assets
= 100 × hidden ÷ hidden = hidden

2 Adjusted ROA = 100 × Adjusted net income ÷ Adjusted total assets
= 100 × hidden ÷ hidden = hidden

Ratio Description The company
Adjusted ROA A profitability ratio calculated as adjusted net income divided by adjusted total assets. Delta Air Lines Inc.'s adjusted ROA deteriorated from 2015 to 2016 and from 2016 to 2017.