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Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - SIRIUS XM (Details)

v3.8.0.1
Stock-Based Compensation - SIRIUS XM (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Ìý Ìý Ìý
Weighted average period of recognition related to unvested equity awards (in years) 1 year 8 months 12 days Ìý Ìý
Stock-based compensation $ 230.0 $ 150.0 $ 204.0
Total unrecognized compensation cost related to unvested equity awards $ 30.0 Ìý Ìý
SIRIUS XM Ìý Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Ìý Ìý Ìý
Weighted average period of recognition related to unvested equity awards (in years) 2 years 6 months Ìý Ìý
Stock-based compensation $ 124.0 $ 109.0 $ 157.0
SIRIUS XM | Employee Stock Option Ìý Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Ìý Ìý Ìý
Options granted 27.3 Ìý Ìý
WAEP granted $ 5.49 Ìý Ìý
Outstanding options 280.5 Ìý Ìý
Exercisable options 131.0 Ìý Ìý
Outstanding WAEP $ 3.76 Ìý Ìý
Exercisable WAEP $ 3.23 Ìý Ìý
Outstanding options, aggregate intrinsic value $ 454.0 Ìý Ìý
Exercisable Options, Aggregate Intrinsic Value $ 279.1 Ìý Ìý
Weighted average grant-date fair value $ 1.17 Ìý Ìý
Weighted average volatility rate 24.00% 22.00% 29.00%
Total unrecognized compensation cost related to unvested equity awards $ 242.0 Ìý Ìý
SIRIUS XM | Restricted Stock Ìý Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Ìý Ìý Ìý
Restricted stock granted 11.7 Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 5.35 Ìý Ìý