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Goodwill and Intangible Assets (Tables)
6 Months Ended
Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in Goodwill for Each Reportable Segment
The following analysis details the changes in goodwill for each reportable segment:
Recorded
Music
Music
Publishing
Total
(in millions)
Balances at September 30, 2020$1,367 $464 $1,831 
Acquisitions— 
Other adjustments (a)— 
Balances at March 31, 2021$1,378 $464 $1,842 
______________________________________
(a)Other adjustments during the six months ended March 31, 2021 represent foreign currency movements.
Schedule of Indefinite Intangible Assets
Intangible assets consist of the following:
Weighted-Average Useful LifeMarch 31,
2021
September 30,
2020
(in millions)
Intangible assets subject to amortization:
Recorded music catalog11 years$1,026 $876 
Music publishing copyrights26 years1,707 1,597 
Artist and songwriter contracts13 years990 862 
Trademarks15 years94 81 
Other intangible assets6 years100 84 
Total gross intangible asset subject to amortization3,917 3,500 
Accumulated amortization(1,990)(1,847)
Total net intangible assets subject to amortization1,927 1,653 
Intangible assets not subject to amortization:
Trademarks and tradenamesIndefinite154 154 
Total net intangible assets$2,081 $1,807 
Schedule of Finite-Lived Intangible Assets
Intangible assets consist of the following:
Weighted-Average Useful LifeMarch 31,
2021
September 30,
2020
(in millions)
Intangible assets subject to amortization:
Recorded music catalog11 years$1,026 $876 
Music publishing copyrights26 years1,707 1,597 
Artist and songwriter contracts13 years990 862 
Trademarks15 years94 81 
Other intangible assets6 years100 84 
Total gross intangible asset subject to amortization3,917 3,500 
Accumulated amortization(1,990)(1,847)
Total net intangible assets subject to amortization1,927 1,653 
Intangible assets not subject to amortization:
Trademarks and tradenamesIndefinite154 154 
Total net intangible assets$2,081 $1,807