Related Party Transactions	12 Months Ended
Sep. 30, 2016
Related Party Transactions [Abstract]
Related Party Transactions	11. Related Party Transactions Management Agreement Upon completion of the Merger, the Company and Holdings entered into a management agreement with Access, dated as of the Merger Closing Date (the “Management Agreement”), pursuant to which Access will provide the Company and its subsidiaries, with financial, investment banking, management, advisory and other services. Pursuant to the Management Agreement, the Company, or one or more of its subsidiaries, will pay Access a specified annual fee equal to approximately $9 million based on a formula contained in the agreement and reimburse Access for certain expenses incurred performing services under the agreement. The annual fee is payable quarterly. The Company and Holdings agreed to indemnify Access and certain of its affiliates against all liabilities arising out of performance of the Management Agreement. Such costs incurred by the Company were approximately $9 million, $9 million and $8 million for the fiscal years ended September 30, 2016, 2015 and 2014, respectively, which includes the annual fee, but excludes $2 million of expenses reimbursed related to certain consultants with full time roles at the Company for each of the fiscal years ended September 30, 2016, 2015 and 2014. Such amounts have been included as a component of selling, general and administrative expense in the accompanying statements of operations. Lease Arrangements with Related Party On July 29, 2014, AI Wrights Holdings Limited, an affiliate of Access, entered into a lease and related agreements with Warner/Chappell Music Limited and WMG Acquisition (UK) Limited, subsidiaries of the Company, for the lease of 27 Wrights Lane, Kensington, London. The Company had been the tenant of the building, which Access acquired during the fiscal year 2014. Subsequent to the change in ownership, the Company entered into the new lease arrangements. Pursuant to the agreements, on January 1, 2015, the rent in the lease was increased to £3,460,250 per year, the term was extended five years and the Company received certain rights to extend the term for an additional five years following a market rate rent review. On August 13, 2015, a subsidiary of the Company, Warner Music Inc., entered into a license agreement with Access Industries, Inc., an affiliate of Access, for the use of office space in our corporate headquarters at 1633 Broadway, New York, New York. The license fee of $2,775 per month, plus an IT support fee of $1,000 per month, was based on the per foot lease costs to the Company of its headquarters space, which represented market terms. For the fiscal year ended September 30, 2015, an immaterial amount was recorded as rental income. The space is occupied by The Blavatnik Archive, which is dedicated to the discovery and preservation of historically distinctive and visually compelling artifacts, images and stories that contribute to the study of 20th century Jewish, WWI and WWII history. On July 15, 2016, a subsidiary of the Company, Warner Music Inc., entered into a license agreement with Cooper Investment Partners LLC, for the use of office space in our corporate headquarters at 1633 Broadway, New York, New York. The license fee of $16,967.21 per month, was based on the per foot lease costs to the Company of its headquarters space, which represented market terms. For the fiscal year ended September 30, 2016, an immaterial amount was recorded as rental income. The space is occupied by Cooper Investment Partners LLC, which is a private equity fund that pursues a wide range of investment opportunities. Deezer Access owns a controlling equity interest in Deezer S.A., which was formerly known as Odyssey Music Group (“Odyssey”), a French company that controls and operates a digital music streaming service, formerly through Odyssey’s subsidiary, Blogmusik SAS (“Blogmusik”), under the name Deezer (“Deezer”), and is represented on Deezer S.A.’s Board of Directors. Subsidiaries of the Company, Warner Music Inc. and WEA International Inc. have been a party to license arrangements with Deezer since 2008 (Warner Music Inc. was added as a party to the license in 2014 in respect of the U.S.), which provide for the use of the Company’s sound recording content on Deezer’s ad-supported and subscription streaming services worldwide (excluding Japan) in exchange for fees paid by Deezer. Warner Music Inc. and WEA International Inc. have also authorized Deezer to include Warner content in Deezer’s streaming services where such services are offered as a bundle with third-party services or products (e.g., telco services or hardware products), for which Deezer is also required to make payments to Warner Music Inc. and WEA International Inc. Deezer paid to WEA International Inc. an aggregate amount of approximately $29 million and $25 million in connection with the foregoing arrangements during the fiscal year ended September 30, 2016 and 2015, respectively. In addition, in connection with these arrangements, (i) the Company was issued, and currently holds, warrants to purchase shares of Deezer S.A. and (ii) the Company purchased a small number of shares of Deezer S.A., which collectively represent a small minority interest in Deezer S.A. Equity Investment In fiscal 2014, the Company made an investment in a company in which Access was a minority owner, which was subsequently sold during fiscal 2014. As a result of the sale transaction, the Company recognized a gain of $2 million. Record Industry In February 2015, WEA and Record Industry entered into an agreement for vinyl record manufacturing. In fiscal year 2016, WEA paid to Record Industry an aggregate amount of approximately $4 million in connection with the foregoing arrangements. Mr. Mohaupt, currently one of the Company’s directors, owns a minority interest in Record Industry.

11. Related Party Transactions

Management Agreement

Upon completion of the Merger, the Company and Holdings entered into a management agreement with Access, dated as of the Merger Closing Date (the “Management Agreement”), pursuant to which Access will provide the Company and its subsidiaries, with financial, investment banking, management, advisory and other services. Pursuant to the Management Agreement, the Company, or one or more of its subsidiaries, will pay Access a specified annual fee equal to approximately $9 million based on a formula contained in the agreement and reimburse Access for certain expenses incurred performing services under the agreement. The annual fee is payable quarterly. The Company and Holdings agreed to indemnify Access and certain of its affiliates against all liabilities arising out of performance of the Management Agreement.

Such costs incurred by the Company were approximately $9 million, $9 million and $8 million for the fiscal years ended September 30, 2016, 2015 and 2014, respectively, which includes the annual fee, but excludes $2 million of expenses reimbursed related to certain consultants with full time roles at the Company for each of the fiscal years ended September 30, 2016, 2015 and 2014. Such amounts have been included as a component of selling, general and administrative expense in the accompanying statements of operations.

Lease Arrangements with Related Party

On July 29, 2014, AI Wrights Holdings Limited, an affiliate of Access, entered into a lease and related agreements with Warner/Chappell Music Limited and WMG Acquisition (UK) Limited, subsidiaries of the Company, for the lease of 27 Wrights Lane, Kensington, London. The Company had been the tenant of the building, which Access acquired during the fiscal year 2014. Subsequent to the change in ownership, the Company entered into the new lease arrangements. Pursuant to the agreements, on January 1, 2015, the rent in the lease was increased to £3,460,250 per year, the term was extended five years and the Company received certain rights to extend the term for an additional five years following a market rate rent review.

On August 13, 2015, a subsidiary of the Company, Warner Music Inc., entered into a license agreement with Access Industries, Inc., an affiliate of Access, for the use of office space in our corporate headquarters at 1633 Broadway, New York, New York. The license fee of $2,775 per month, plus an IT support fee of $1,000 per month, was based on the per foot lease costs to the Company of its headquarters space, which represented market terms. For the fiscal year ended September 30, 2015, an immaterial amount was recorded as rental income. The space is occupied by The Blavatnik Archive, which is dedicated to the discovery and preservation of historically distinctive and visually compelling artifacts, images and stories that contribute to the study of 20th century Jewish, WWI and WWII history.

On July 15, 2016, a subsidiary of the Company, Warner Music Inc., entered into a license agreement with Cooper Investment Partners LLC, for the use of office space in our corporate headquarters at 1633 Broadway, New York, New York. The license fee of $16,967.21 per month, was based on the per foot lease costs to the Company of its headquarters space, which represented market terms. For the fiscal year ended September 30, 2016, an immaterial amount was recorded as rental income. The space is occupied by Cooper Investment Partners LLC, which is a private equity fund that pursues a wide range of investment opportunities.

Deezer

Access owns a controlling equity interest in Deezer S.A., which was formerly known as Odyssey Music Group (“Odyssey”), a French company that controls and operates a digital music streaming service, formerly through Odyssey’s subsidiary, Blogmusik SAS (“Blogmusik”), under the name Deezer (“Deezer”), and is represented on Deezer S.A.’s Board of Directors. Subsidiaries of the Company, Warner Music Inc. and WEA International Inc. have been a party to license arrangements with Deezer since 2008 (Warner Music Inc. was added as a party to the license in 2014 in respect of the U.S.), which provide for the use of the Company’s sound recording content on Deezer’s ad-supported and subscription streaming services worldwide (excluding Japan) in exchange for fees paid by Deezer. Warner Music Inc. and WEA International Inc. have also authorized Deezer to include Warner content in Deezer’s streaming services where such services are offered as a bundle with third-party services or products (e.g., telco services or hardware products), for which Deezer is also required to make payments to Warner Music Inc. and WEA International Inc. Deezer paid to WEA International Inc. an aggregate amount of approximately $29 million and $25 million in connection with the foregoing arrangements during the fiscal year ended September 30, 2016 and 2015, respectively. In addition, in connection with these arrangements, (i) the Company was issued, and currently holds, warrants to purchase shares of Deezer S.A. and (ii) the Company purchased a small number of shares of Deezer S.A., which collectively represent a small minority interest in Deezer S.A.

Equity Investment

In fiscal 2014, the Company made an investment in a company in which Access was a minority owner, which was subsequently sold during fiscal 2014. As a result of the sale transaction, the Company recognized a gain of $2 million.

Record Industry

In February 2015, WEA and Record Industry entered into an agreement for vinyl record manufacturing. In fiscal year 2016, WEA paid to Record Industry an aggregate amount of approximately $4 million in connection with the foregoing arrangements. Mr. Mohaupt, currently one of the Company’s directors, owns a minority interest in Record Industry.