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Lease and Transponder Service Agreements (Details) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2019 USD ($) ft² | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Jun. 30, 2019 USD ($) ft² | Jun. 30, 2018 USD ($) | Jan. 01, 2019 USD ($) | Dec. 31, 2018 USD ($)
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |
Lease Liability, Total | $ 346 |  |  | $ 346 |  |  |
Lessee, Operating Lease, Term of Contract | 12 months |  |  | 12 months |  |  |
Operating Lease, Liability | $ 168 |  |  | $ 168 |  |  |
Area of lease (in sqft) | ft² | 1,000,000 |  |  | 1,000,000 |  |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  |  |  | $ 72 |  |  |
Initial term of lease |  |  |  | 15 years |  |  |
Lease, Cost [Abstract] |  |  |  |  |  |  |
Finance Lease, Right-of-Use Asset, Amortization | $ 5 |  |  | $ 10 |  |  |
Finance Lease, Interest Expense | 2 |  |  | 4 |  |  |
Finance Lease, Total Cost | 7 |  |  | 14 |  |  |
Operating leases expense net | 8 | $ 9 | $ 9 | 14 | $ 18 |  |
Total Lease Cost | $ 15 |  |  | $ 28 |  |  |
Weighted average lease term and discount rate [Abstract] |  |  |  |  |  |  |
Finance Lease, Weighted Average Remaining Lease Term | 9 years 4 months |  |  | 9 years 4 months |  |  |
Operating Lease, Weighted Average Remaining Lease Term | 12 years 21 days |  |  | 12 years 21 days |  |  |
Finance Lease, Weighted Average Discount Rate, Percent | 5.00% |  |  | 5.00% |  |  |
Operating Lease, Weighted Average Discount Rate, Percent | 6.10% |  |  | 6.10% |  |  |
Supplemental balance sheet information [Abstract] |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset | $ 148 |  |  | $ 148 |  | $ 92 | $ 0
Operating Lease, Liability, Current | 21 |  |  | 21 |  | 18 |
Operating Lease, Liability, Noncurrent | 147 |  |  | 147 |  | $ 87 |
Finance Lease, Right of Use Asset, Gross | 277 |  |  | 277 |  |  |
Finance Lease, Right-of-Use Asset, Accumulated Amortization | (128) |  |  | (128) |  |  |
Finance Lease, Right-of-Use Asset | 149 |  |  | 149 |  |  |
Finance Lease, Liability, Current | 20 |  |  | 20 |  |  |
Finance Lease, Liability, Noncurrent | 158 |  |  | 158 |  |  |
Finance Lease, Liability | 178 |  |  | 178 |  |  |
Supplemental Cash Flow Information [Abstract] |  |  |  |  |  |  |
Operating Lease, Payments |  |  |  | 12 |  |  |
Finance Lease, Interest Payment on Liability |  |  |  | 4 |  |  |
Finance Lease, Principal Payments |  |  |  | 10 |  |  |
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability |  |  |  | 0 |  |  |
Finance Lease Liabilities, Payments, Due [Abstract] |  |  |  |  |  |  |
Remainder of 2019 | 15 |  |  | 15 |  |  |
2020 | 27 |  |  | 27 |  |  |
2021 | 25 |  |  | 25 |  |  |
2022 | 23 |  |  | 23 |  |  |
2023 | 22 |  |  | 22 |  |  |
Thereafter | 117 |  |  | 117 |  |  |
Finance Lease, Liability, Payments, Due | 229 |  |  | 229 |  |  |
Imputed interest on finance lease | (51) |  |  | (51) |  |  |
Operating leases |  |  |  |  |  |  |
Remainder of 2019 | 14 |  |  | 14 |  |  |
2020 | 29 |  |  | 29 |  |  |
2021 | 20 |  |  | 20 |  |  |
2022 | 18 |  |  | 18 |  |  |
2023 | 16 |  |  | 16 |  |  |
Thereafter | 155 |  |  | 155 |  |  |
Operating Lease, Total Payments Due | 252 |  |  | 252 |  |  |
Imputed interest of operating leases | (84) |  |  | (84) |  |  |
Total Future payments, Leases [Abstract] |  |  |  |  |  |  |
Remainder of 2019 | 29 |  |  | 29 |  |  |
2020 | 56 |  |  | 56 |  |  |
2021 | 45 |  |  | 45 |  |  |
2022 | 41 |  |  | 41 |  |  |
2023 | 38 |  |  | 38 |  |  |
Thereafter | 272 |  |  | 272 |  |  |
Total Lease Payments Due | 481 |  |  | 481 |  |  |
Imputed interest on lease liabilities | $ (135) |  |  | (135) |  |  |
Capital Leases, Income Statement, Depreciation Expense |  | $ 4 |  |  | $ 8 |  |
Minimum base rent |  |  |  | 6 |  |  |
Maximum base rent |  |  |  | $ 8 |  |  |
Number of extension options |  |  |  | 2 |  |  |
Lessee Leasing Arrangements, Build to Suit Lease, Renewal Term |  |  |  | 10 years |  |  |
Amended arrangement initial payment |  |  |  | $ 10 |  |  |
Lessee Leasing Arrangements, Build to Suit, Amended Arrangement, Installment Payment |  |  |  | $ 12 |  |  |
Lessee Leasing Arrangements, Build to Suit, Amended Arrangement, Payment Term |  |  |  | 13 years |  |  |
Build to suit lease, useful life |  |  |  | 20 years |  |  |
ECDC [Member] |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |
Lessee, Operating Lease, Renewal Term | 5 years |  |  | 5 years |  |  |
Lessee Leasing Arrangements, Operating Lease, Number of Four Year Extension Options |  |  |  | 1 |  |  |
Lessee, Operating Lease, Final Renewal Term |  |  |  | 4 years |  |  |
Operating Leases, Rent Expense, Minimum Rentals |  |  |  | $ 10 |  |  |
Operating Leases, Rent Expense, Minimum Rentals, Final Year |  |  |  | $ 14 |  |  |
Lessee Leasing Arrangements, Operating Lease, Number of Five Year Extension Options |  |  |  | 2 |  |  |
Operating Lease, Liability | $ 69 |  |  | $ 69 |  |  |
Area of lease (in sqft) | ft² | 1,700,000.0 |  |  | 1,700,000.0 |  |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  |  |  | $ 68 |  |  |
Initial term of lease |  |  |  | 15 years |  |  |
Minimum [Member] |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |
Lessee, Operating Lease, Term of Contract | 1 year |  |  | 1 year |  |  |
Maximum [Member] |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |
Lessee, Operating Lease, Term of Contract | 15 years |  |  | 15 years |  |  |

X
- Definition Finance Lease Liability, Payments, Thereafter + References No definition available. + Details
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- Definition Finance Lease, Right-of-Use Asset, Accumulated Amortization + References No definition available. + Details
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- Definition Finance Lease, Right-of-Use Asset, Gross + References No definition available. + Details
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- Definition Finance Lease, Total Cost + References No definition available. + Details
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- Definition Imputed interest of operating leases + References No definition available. + Details
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- Definition Imputed interest on finance lease + References No definition available. + Details
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- Definition Imputed interest on lease liabilities + References No definition available. + Details
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- Definition Lease Liability, Total + References No definition available. + Details
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- Definition Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The initial amount due for an amended arrangement for a build to suit lease + References No definition available. + Details
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- Definition The installment payment for an amended arrangement for a build to suit lease + References No definition available. + Details
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- Definition The payment term for an amended arrangement of a build to suit lease + References No definition available. + Details
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- Definition Number of extension options for a build to suit lease + References No definition available. + Details
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- Definition Renewel term for a build to suit lease + References No definition available. + Details
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- Definition Lessee Leasing Arrangements, Operating Lease, Number of Five Year Extension Options + References No definition available. + Details
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- Definition Lessee Leasing Arrangements, Operating Lease, Number of Four Year Extension Options + References No definition available. + Details
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- Definition Term of lessee's final operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Operating Lease, Total Payments Due + References No definition available. + Details
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- Definition This element represents the payments that the lessee is obligated to make or can be required to make, in the final year, in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes. + References No definition available. + Details
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- Definition Rent Expense, Base Rent, Minimum + References No definition available. + Details
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- Definition Supplemental balance sheet information [Abstract] + References No definition available. + Details
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- Definition Total Future payments, Leases [Abstract] + References No definition available. + Details
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- Definition Total Lease Cost + References No definition available. + Details
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- Definition Total Lease Payments Due + References No definition available. + Details
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- Definition Total Leases, Future Minimum Payments due Thereafter + References No definition available. + Details
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- Definition Total Leases, Future Minimum Payments due in Five Years + References No definition available. + Details
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- Definition Total Leases, Future Minimum Payments due in Four Years + References No definition available. + Details
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- Definition Total Leases, Future Minimum Payments due in Three Years + References No definition available. + Details
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- Definition Total Leases, Future Minimum Payments due in Two Years + References No definition available. + Details
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- Definition Total Leases, Future Minimum Payments due remainder of the year + References No definition available. + Details
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- Definition Weighted average lease term and discount rate [Abstract] + References No definition available. + Details
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- Definition Area of a real estate property. + References No definition available. + Details
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- Definition The charge for the use of long-lived depreciable capital leased assets for the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84164758&loc=d3e45031-112735 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 840 -Section 55 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84167768&loc=d3e56872-110439 + Details
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- Definition Amount of interest expense on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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- Definition Amount of interest paid on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977 + Details
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- References No definition available. + Details
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payments for finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fifth fiscal year following latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fourth fiscal year following latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payments for finance lease, due in third fiscal year following latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payments for finance lease, due in second fiscal year following latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payments for finance lease, due in remainder of fiscal year following latest fiscal year ended. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Amount of cash outflow for principal payment on finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of lessee's right to use underlying asset under finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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