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Annual report pursuant to Section 13 and 15(d)

Income Taxes - Tax Effects And Reconciliation Of Unrecognized Tax Benefits (Details)

v3.8.0.1
Income Taxes - Tax Effects And Reconciliation Of Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Deferred Income Taxes and Tax Credits [Abstract] Ìý Ìý Ìý
Net operating and capital loss carryforwards $ 1,017 $ 1,381 Ìý
Accrued stock compensation 88 136 Ìý
Other accrued liabilities 175 102 Ìý
Deferred revenue 502 761 Ìý
Deferred Tax Asset Discount on debt 26 Ìý Ìý
Other future deductible amounts 22 20 Ìý
Deferred tax assets 1,830 2,400 Ìý
Valuation allowance (112) (50) Ìý
Net deferred tax assets 1,718 2,350 Ìý
Investments 110 81 Ìý
Fixed assets 326 330 Ìý
Intangible assets 2,760 3,961 Ìý
Discount on debt Ìý 3 Ìý
Deferred tax liabilities 3,196 4,375 Ìý
Net deferred tax liabilities 1,478 2,025 Ìý
Valuation Allowances and Reserves, Period Increase (Decrease) 62 Ìý Ìý
Income Tax Uncertainties [Abstract] Ìý Ìý Ìý
Unrecognized Tax Benefits, Beginning Balance 304 254 $ 2
Reduction for tax positions of prior years (1) (1) Ìý
Increase in tax positions for current year 16 51 Ìý
Increase in tax positions from prior years 37 Ìý 252
Decrease due to Settlements With Taxing Authorities (423) Ìý Ìý
Increase in tax positions from acquisition 432 Ìý Ìý
Unrecognized Tax Benefits, Ending Balance 365 $ 304 $ 254
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 257 Ìý Ìý
Unrecognized Tax Benefits Allowance 365 Ìý Ìý
Formula 1 Ìý Ìý Ìý
Deferred Income Taxes and Tax Credits [Abstract] Ìý Ìý Ìý
Valuation Allowances and Reserves, Period Increase (Decrease) 274 Ìý Ìý
Maximum Ìý Ìý Ìý
Income Tax Uncertainties [Abstract] Ìý Ìý Ìý
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 1 Ìý Ìý
SIRIUS XM Ìý Ìý Ìý
Deferred Income Taxes and Tax Credits [Abstract] Ìý Ìý Ìý
Net operating and capital loss carryforwards 415 Ìý Ìý
Operating Loss Carryforwards $ 1,977 Ìý Ìý