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Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - REVENUE AND RECEIVABLES (Tables) link:presentationLink link:calculationLink link:definitionLink 30503 - Disclosure - ACQUISITIONS AND DISPOSITIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 30603 - Disclosure - FIXED ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 30703 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 30803 - Disclosure - LONG-TERM DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 30903 - Disclosure - GOVERNMENT SUPPORT AND SPECTRUM PROGRAMS (Tables) link:presentationLink link:calculationLink link:definitionLink 31003 - Disclosure - EQUITY (Tables) link:presentationLink link:calculationLink link:definitionLink 31103 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 31203 - 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AOCI (Details) link:presentationLink link:calculationLink link:definitionLink 40205 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - AOCI reclassifications (Details) link:presentationLink link:calculationLink link:definitionLink 40206 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Contract Acquisition Costs (Details) link:presentationLink link:calculationLink link:definitionLink 40208 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Risk (Details) link:presentationLink link:calculationLink link:definitionLink 40210 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Investments (Details) link:presentationLink link:calculationLink link:definitionLink 40211 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Investments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 40212 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Fair value Instruments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 40214 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Redeemable Noncontrolling Interests - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 40215 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Redeemable Noncontrolling Interests - Activity (Details) link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - REVENUE AND RECEIVABLES - Timing of Revenue Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 40303 - Disclosure - REVENUE AND RECEIVABLES - Contract Acquisition Costs (Details) link:presentationLink link:calculationLink link:definitionLink 40304 - Disclosure - REVENUE AND RECEIVABLES - Remaining Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 40304 - Disclosure - REVENUE AND RECEIVABLES - Remaining Performance Obligations Default (Details) link:presentationLink link:calculationLink link:definitionLink 40305 - Disclosure - REVENUE AND RECEIVABLES - 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