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Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Millions | Sep. 30, 2021 | Dec. 31, 2020
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Property, Plant and Equipment [Line Items] |  |
Total property and equipment | $ 4,131 | $ 4,074
Accumulated depreciation | (2,675) | (2,445)
Property and equipment, net | 1,456 | 1,629
Satellite system |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 1,848 | 1,587
Terrestrial repeater network |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 105 | 105
Leasehold improvements |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 109 | 111
Broadcast studio equipment |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 108 | 100
Capitalized software and hardware |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 1,418 | 1,372
Satellite telemetry, tracking and control facilities |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 63 | 96
Furniture, fixtures, equipment and other |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 91 | 92
Land |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 38 | 38
Building |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 63 | 63
Construction in progress |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | $ 288 | $ 510

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