COMCAST CORP

0000001 - Document - Cover

0000002 - Document - Audit Information

9952151 - Statement - Consolidated Statement of Income

9952152 - Statement - Consolidated Statement of Comprehensive Income

9952153 - Statement - Consolidated Statement of Comprehensive Income (Parenthetical)

9952154 - Statement - Consolidated Statement of Cash Flows

9952155 - Statement - Consolidated Balance Sheets

9952156 - Statement - Consolidated Balance Sheets (Parenthetical)

9952157 - Statement - Consolidated Statement of Changes in Equity

9952158 - Disclosure - Summary of Significant Accounting Policies

9952159 - Disclosure - Segment Information

9952160 - Disclosure - Revenue

9952161 - Disclosure - Programming and Production Costs

9952162 - Disclosure - Income Taxes

9952163 - Disclosure - Debt

9952164 - Disclosure - Investments and Variable Interest Entities

9952165 - Disclosure - Property and Equipment

9952166 - Disclosure - Goodwill and Intangible Assets

9952167 - Disclosure - Employee Benefit Plans

9952168 - Disclosure - Equity

9952169 - Disclosure - Share-Based Compensation

9952170 - Disclosure - Supplemental Financial Information

9952171 - Disclosure - Commitments and Contingencies

995410 - Disclosure - Pay vs Performance Disclosure

995445 - Disclosure - Insider Trading Arrangements

995447 - Disclosure - Insider Trading Policies and Procedures

995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure

9955511 - Disclosure - Summary of Significant Accounting Policies (Policies)

9955512 - Disclosure - Segment Information (Tables)

9955513 - Disclosure - Revenue (Tables)

9955514 - Disclosure - Programming and Production Costs (Tables)

9955515 - Disclosure - Income Taxes (Tables)

9955516 - Disclosure - Debt (Tables)

9955517 - Disclosure - Investments and Variable Interest Entities (Tables)

9955518 - Disclosure - Property and Equipment (Tables)

9955519 - Disclosure - Goodwill and Intangible Assets (Tables)

9955520 - Disclosure - Employee Benefit Plans (Tables)

9955521 - Disclosure - Equity (Tables)

9955522 - Disclosure - Share-Based Compensation (Tables)

9955523 - Disclosure - Supplemental Financial Information (Tables)

9955524 - Disclosure - Commitments and Contingencies (Tables)

9955525 - Disclosure - Segment Information - Narrative (Details)

9955526 - Disclosure - Segment Information - Reportable Segment (Details)

9955527 - Disclosure - Revenue - Disaggregation of Revenue (Details)

9955528 - Disclosure - Revenue - Revenue by Geographic Location (Details)

9955529 - Disclosure - Revenue - Narrative (Details)

9955530 - Disclosure - Revenue - Condensed Consolidated Balance Sheet (Details)

9955531 - Disclosure - Revenue - Changes in the Allowance for Doubtful Accounts (Details)

9955532 - Disclosure - Revenue - Receivables Not Yet Billed (Details)

9955533 - Disclosure - Programming and Production Costs - Programming and Production Expense (Details)

9955534 - Disclosure - Programming and Production Costs - Capitalized Film and Television Costs (Details)

9955535 - Disclosure - Programming and Production Costs - Narrative (Details)

9955536 - Disclosure - Programming and Production Costs - Estimated Future Amortization Expense for Capitalized Film and Television Costs (Details)

9955537 - Disclosure - Programming and Production Costs - Summary Of Accrued Participations And Residual Liabilities Expected To Pay (Details)

9955538 - Disclosure - Income Taxes - Income Before Income Taxes (Details)

9955539 - Disclosure - Income Taxes - Components of Income Tax Expense (Details)

9955540 - Disclosure - Income Taxes - Federal Statutory (Details)

9955541 - Disclosure - Income Taxes - Components of Net Deferred Tax Liability (Details)

9955542 - Disclosure - Income Taxes - Changes in the Valuation Allowance for Deferred Tax Assets (Details)

9955543 - Disclosure - Income Taxes - Narrative (Details)

9955544 - Disclosure - Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details)

9955545 - Disclosure - Debt - Schedule of Debt Outstanding (Details)

9955546 - Disclosure - Debt - Narrative (Details)

9955547 - Disclosure - Debt - Debt Maturities (Details)

9955548 - Disclosure - Debt - Foreign Exchange and Interest Rate Risk (Details)

9955549 - Disclosure - Debt - Impact of Hedged Foreign Currency Debt and Intercompany Loans (Details)

9955550 - Disclosure - Debt - Pre-Tax Gains (Losses) Related to Net Investment Hedges (Details)

9955551 - Disclosure - Investments and Variable Interest Entities - Investment and Other Income (Loss), Net (Details)

9955552 - Disclosure - Investments and Variable Interest Entities - Narrative (Details)

9955553 - Disclosure - Investments and Variable Interest Entities - Schedule of Investments (Details)

9955554 - Disclosure - Property and Equipment (Details)

9955555 - Disclosure - Goodwill and Intangible Assets - Change in Goodwill (Details)

9955556 - Disclosure - Goodwill and Intangible Assets - Narrative (Details)

9955557 - Disclosure - Goodwill and Intangible Assets - Intangible Assets (Details)

9955558 - Disclosure - Goodwill and Intangible Assets - Amortization of Intangible Assets (Details)

9955559 - Disclosure - Employee Benefit Plans - Deferred Compensation Plans (Details)

9955560 - Disclosure - Employee Benefit Plans - Narrative (Details)

9955561 - Disclosure - Equity - Narrative (Details)

9955562 - Disclosure - Equity - Changes in Common Stock (Details)

9955563 - Disclosure - Equity - Weighted Average Common Shares Outstanding (Details)

9955564 - Disclosure - Equity - Components of Accumulated Other Comprehensive Income (Loss) (Details)

9955565 - Disclosure - Share-Based Compensation - Recognized Share-Based Compensation Expense (Details)

9955566 - Disclosure - Share-Based Compensation - Narrative (Details)

9955567 - Disclosure - Share-Based Compensation - Stock Options and Restricted Share Units (Details)

9955568 - Disclosure - Share-Based Compensation - Restricted Share Units and Stock Option Fair Value (Details)

9955569 - Disclosure - Supplemental Financial Information - Cash Payments for Interest and Income Taxes (Details)

9955570 - Disclosure - Supplemental Financial Information - Noncash Investing and Financing Activities (Details)

9955571 - Disclosure - Supplemental Financial Information - Cash, Cash Equivalents and Restricted Cash (Details)

9955572 - Disclosure - Commitments and Contingencies (Narrative) (Details)

9955573 - Disclosure - Commitments and Contingencies - Summary of Operating Lease Assets and Liabilities Recorded in the Consolidated Balance Sheets (Details)

9955574 - Disclosure - Commitments and Contingencies - Summary of Future Minimum Rental Commitments for Operating Leases (Details)