0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Condensed Consolidated Statements of Income link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Condensed Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Statements of Comprehensive Income (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Revenue and Contract Costs link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Acquisitions and Divestitures link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Wireless Licenses, Goodwill and Other Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Device Payment Plan Agreement and Wireless Service Receivables link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Fair Value Measurements and Financial Instruments link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Employee Benefits link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Equity and Accumulated Other Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Additional Financial Information link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Basis of Presentation (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Basis of Presentation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Revenue and Contract Costs (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Acquisitions and Divestitures (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Wireless Licenses, Goodwill and Other Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Device Payment Plan Agreement and Wireless Service Receivables (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Fair Value Measurements and Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Employee Benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Equity and Accumulated Other Comprehensive Loss (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Basis of Presentation - Earnings Per Common Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Basis of Presentation - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Basis of Presentation - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Revenue and Contract Costs - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Revenue and Contract Costs - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Revenue and Contract Costs - Schedule of Receivables from Contracts with Customers (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Revenue and Contract Costs - Contract with Customer, Asset and Liability (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Revenue and Contract Costs - Schedule of Cost Incurred to Obtain or Fulfill Contracts with Customers (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Acquisitions and Divestitures - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Acquisitions and Divestitures - Schedule of Assets and Liabilities Held-for-Sale (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Acquisitions and Divestitures - Frontier Communications Net Assets Acquired (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Wireless Licenses, Goodwill and Other Intangible Assets - Carrying Amount of Wireless Licenses (Detail) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Wireless Licenses, Goodwill and Other Intangible Assets - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Wireless Licenses, Goodwill and Other Intangible Assets - Changes in Carrying Value of Goodwill (Detail) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Wireless Licenses, Goodwill and Other Intangible Assets - Composition of Other Intangible Assets, Net (Detail) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Wireless Licenses, Goodwill and Other Intangible Assets - Estimated Future Amortization Expense (Detail) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Debt - Exchange Offers (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Debt - Tender Offers (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Debt - Repayments, Redemptions and Repurchases (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Debt - Issuances, Debt Assumed And Commercial Paper Program (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Debt - Asset-Backed Debt Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Debt - Schedule of ABS Notes Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Debt - ABS Financing Facilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Debt - Repurchase Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Debt - Assets and Liabilities Related to Asset-backed Debt Arrangements (Detail) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Debt - Credit Facilities, Non-Cash Transaction, Guarantees (Detail) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Device Payment Plan Agreement and Wireless Service Receivables - Schedule of Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Device Payment Plan Agreement and Wireless Service Receivables - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Device Payment Plan Agreement and Wireless Service Receivables - Schedule of Device Payment Plan Agreement Receivables (Detail) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Device Payment Plan Agreement and Wireless Service Receivables - Schedule of Device Payment Plan Agreement Receivables (Detail) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Device Payment Plan Agreement and Wireless Service Receivables - Schedule of Credit Quality Indicators (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Device Payment Plan Agreement and Wireless Service Receivables - Allowance for Credit Losses (Detail) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Device Payment Plan Agreement and Wireless Service Receivables - Balance and Aging of Receivables (Detail) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Fair Value Measurements and Financial Instruments - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Fair Value Measurements and Financial Instruments - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Fair Value Measurements and Financial Instruments - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Fair Value Measurements and Financial Instruments - Debt Excluding Capital Leases (Detail) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Fair Value Measurements and Financial Instruments - Notional Amounts of Outstanding Derivative Instruments (Detail) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Fair Value Measurements and Financial Instruments - Schedule of Designated Derivative Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Fair Value Measurements and Financial Instruments - Schedule of Cumulative Basis Adjustments for Fair Value Hedges (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Fair Value Measurements and Financial Instruments - Schedule of Cumulative Basis Adjustments for Fair Value Hedges (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Fair Value Measurements and Financial Instruments - Schedule of Derivatives Not Designated as Hedges (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Employee Benefits - Costs by Plans (Detail) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Employee Benefits - Costs by Plans (Detail) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Employee Benefits - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Equity and Accumulated Other Comprehensive Loss - Changes in Components of Total Equity (Detail) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Equity and Accumulated Other Comprehensive Loss - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Equity and Accumulated Other Comprehensive Loss - Changes in AOCI (Detail) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Segment Information - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Segment Information - Operating Financial Information (Detail) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Segment Information - Reconciliation of Operating Revenues (Detail) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Segment Information - Reconciliation of Segments Operating Income to Consolidated Income (Detail) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Additional Financial Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Commitments and Contingencies (Detail) link:presentationLink link:calculationLink link:definitionLink