Comcast Corp. (CMCSA)

Comcast Corp., income tax expense (benefit), continuing operations

USD $ in millions

Based on: 10-K (filing date: 2018-01-31), 10-K (filing date: 2017-02-03), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-27), 10-K (filing date: 2014-02-12).

Item	Description	The company
Current expense	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.	Comcast Corp.'s current expense declined from 2015 to 2016 and from 2016 to 2017.
Deferred expense (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.	Comcast Corp.'s deferred expense (benefit) increased from 2015 to 2016 but then declined significantly from 2016 to 2017.
Income tax expense (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.	Comcast Corp.'s income tax expense (benefit) increased from 2015 to 2016 but then declined significantly from 2016 to 2017.

Comcast Corp., effective income tax rate (EITR) reconciliation

Based on: 10-K (filing date: 2018-01-31), 10-K (filing date: 2017-02-03), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-27), 10-K (filing date: 2014-02-12).

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.	Comcast Corp.'s effective income tax rate declined from 2015 to 2016 and from 2016 to 2017.

Comcast Corp., components of deferred tax assets and liabilities

USD $ in millions

Based on: 10-K (filing date: 2018-01-31), 10-K (filing date: 2017-02-03), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-27), 10-K (filing date: 2014-02-12).

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.	Comcast Corp.'s deferred tax assets, gross declined from 2015 to 2016 and from 2016 to 2017.
Deferred tax assets, net	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.	Comcast Corp.'s deferred tax assets, net increased from 2015 to 2016 but then declined significantly from 2016 to 2017.
Net deferred tax asset (liability)	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.	Comcast Corp.'s net deferred tax asset (liability) declined from 2015 to 2016 but then increased from 2016 to 2017 exceeding 2015 level.

Comcast Corp., adjustments to financial data

USD $ in millions

Based on: 10-K (filing date: 2018-01-31), 10-K (filing date: 2017-02-03), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-27), 10-K (filing date: 2014-02-12).

Comcast Corp., adjusted ratios

Based on: 10-K (filing date: 2018-01-31), 10-K (filing date: 2017-02-03), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-27), 10-K (filing date: 2014-02-12).

Ratio	Description	The company
Adjusted net profit margin	An indicator of profitability, calculated as adjusted net income divided by total revenue.	Comcast Corp.'s adjusted net profit margin improved 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.	Comcast Corp.'s adjusted financial leverage increased from 2015 to 2016 but then slightly declined from 2016 to 2017.
Adjusted ROE	A profitability ratio calculated as adjusted net income divided by adjusted shareholders' equity.	Comcast Corp.'s adjusted ROE improved from 2015 to 2016 and from 2016 to 2017.
Adjusted ROA	A profitability ratio calculated as adjusted net income divided by adjusted total assets.	Comcast Corp.'s adjusted ROA improved from 2015 to 2016 and from 2016 to 2017.

Based on: 10-K (filing date: 2018-01-31), 10-K (filing date: 2017-02-03), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-27), 10-K (filing date: 2014-02-12).

2017 Calculations

Ratio	Description	The company
Adjusted net profit margin	An indicator of profitability, calculated as adjusted net income divided by total revenue.	Comcast Corp.'s adjusted net profit margin improved from 2015 to 2016 and from 2016 to 2017.

Based on: 10-K (filing date: 2018-01-31), 10-K (filing date: 2017-02-03), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-27), 10-K (filing date: 2014-02-12).

2017 Calculations

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.	Comcast Corp.'s adjusted financial leverage increased from 2015 to 2016 but then slightly declined from 2016 to 2017.

Based on: 10-K (filing date: 2018-01-31), 10-K (filing date: 2017-02-03), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-27), 10-K (filing date: 2014-02-12).

2017 Calculations

Ratio	Description	The company
Adjusted ROE	A profitability ratio calculated as adjusted net income divided by adjusted shareholders' equity.	Comcast Corp.'s adjusted ROE improved from 2015 to 2016 and from 2016 to 2017.

Based on: 10-K (filing date: 2018-01-31), 10-K (filing date: 2017-02-03), 10-K (filing date: 2016-02-05), 10-K (filing date: 2015-02-27), 10-K (filing date: 2014-02-12).

2017 Calculations

Ratio	Description	The company
Adjusted ROA	A profitability ratio calculated as adjusted net income divided by adjusted total assets.	Comcast Corp.'s adjusted ROA improved from 2015 to 2016 and from 2016 to 2017.