Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Definite Life Intangible Assets (Details)

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Intangible Assets - Definite Life Intangible Assets (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Definite life intangible assets:      
Impairment of definite-lived intangible assets $ 0 $ 0 $ 0
Amortization of intangible assets 141,000,000 23,000,000 38,000,000
Retired      
Definite life intangible assets:      
Intangible assets 0 $ 390,000,000 $ 0
Pandora      
Definite life intangible assets:      
Finite-lived intangible assets $ 776,000,000