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Financial Risk Management and Financial Instruments - Additional Information (Details)
£ in Millions, kr in Millions, kr in Millions, $ in Millions, $ in Millions
 12 Months Ended
Jul. 13, 2020
shares
Oct. 17, 2019
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Oct. 04, 2019
EUR (€)
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Jul. 01, 2019
EUR (€)
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Nov. 05, 2018
EUR (€)
shares
Nov. 05, 2018
USD ($)
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Apr. 03, 2018
EUR (€)
Jul. 13, 2017
EUR (€)
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Oct. 17, 2016
EUR (€)
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Dec. 31, 2020
EUR (€)
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Dec. 31, 2019
EUR (€)
shares
Dec. 31, 2018
EUR (€)
Dec. 31, 2020
USD ($)
Dec. 31, 2020
AUD ($)
Dec. 31, 2020
GBP (£)
Dec. 31, 2020
CAD ($)
Dec. 31, 2020
NOK (kr)
Dec. 31, 2020
SEK (kr)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
AUD ($)
Dec. 31, 2019
GBP (£)
Dec. 31, 2019
CAD ($)
Dec. 31, 2019
NOK (kr)
Dec. 31, 2019
SEK (kr)
Apr. 01, 2019
EUR (€)
Jan. 31, 2018
shares
Jan. 01, 2018
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Dec. 29, 2017
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Dec. 15, 2017
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Disclosure Of Financial Risk Management And Financial Instruments [Line Items]                                                          
Approved share repurchase amount         € 510,000,000                                                
Increase Decrease Through Repurchases Of Ordinary Shares | shares         4,366,427 4,366,427       5,038,200 3,679,156                                    
Share repurchase program expiry date         Apr. 21, 2021 Apr. 21, 2021                                              
Percentage of investment in counterparties and instruments                   10.00%                                      
Description of cash investment                   Investments are subject to credit rating thresholds and at the time of investment, no more than 10% of surplus cash can be invested in any one issuer (excluding certain government bonds and investments in cash management banks).                                      
Weighted average maturity description of portfolio                   The weighted-average maturity of the portfolio shall not be greater than 2 years, and the final maturity of any investment is not to exceed 5 years.                                      
Short term investments maximum liquidity period                   90 days                                      
Credit losses on short term investments                   € 0 € 0                                    
Effect of 10 percentage change in Euro against translation exposure currencies on equity                   € 105,000,000 € 50,000,000                                    
Increase or decrease in interest rate                   1.00% 1.00%                                    
Impact of change in interest rate on interest income                   € 6,000,000 € 6,000,000                                    
Impact on the accrual for social costs on outstanding share-based payment awards                   27,000,000 14,000,000                                    
Transfers between levels                   0 0                                    
Warrants sold to acquire ordinary shares       € 15,000,000       € 9,000,000 € 27,000,000                                        
Ordinary shares acquired trough warrants issue | shares       800,000       1,600,000 5,120,000                                        
Exercise price of warrants       € 190.09       € 89.73 € 50.61                                        
Warrant exercise price number of times of fair market value of ordinary shares       1.3       1.3 1.2                                        
Warrants expiry date       Jul. 01, 2022                                                  
Ordinary shares issued | shares 1,084,043 1,991,627 1,600,000                                             9,431,960 9,431,960 1,754,960 4,800,000
Number of warrants exercised | shares     1,600,000                                                    
Number of warrants effectively net settled | shares 1,600,000 3,520,000                                                      
Proceeds from exercise of warrants     € 74,000,000             0 74,000,000 € 0                                  
Purchase price related to estimated fair value of contingent consideration                                                 € 13,000,000        
Maximum potential contingent consideration payout over next two years                   33,000,000                                      
Expenses recorded within finance costs                   0 0 € 201,000,000                                  
Reclassification of convertible notes to other paid in capital within equity             € 1,100,000,000     € 1,100,000,000                                      
Tencent Music Entertainment Group                                                          
Disclosure Of Financial Risk Management And Financial Instruments [Line Items]                                                          
Non-controlling equity interest percentage                   8.00%                                      
Investments transferred from level 3 to level 1                   € 1,630,000,000                                      
Convertible Notes                                                          
Disclosure Of Financial Risk Management And Financial Instruments [Line Items]                                                          
Expenses recorded within finance costs             € 123,000,000                                            
Cash Flow Hedges | Foreign Exchange Forwards                                                          
Disclosure Of Financial Risk Management And Financial Instruments [Line Items]                                                          
Notional amount                   1,695,000,000 1,538,000,000   $ 56,000,000 $ 473 £ 653 $ 405 kr 1,352 kr 2,322 $ 67,000,000 $ 402 £ 570 $ 335 kr 1,238 kr 2,053          
Financial Credit Risk                                                          
Disclosure Of Financial Risk Management And Financial Instruments [Line Items]                                                          
Cash and cash equivalents and short term investments                   1,747,000,000 1,757,000,000                                    
Top of Range                                                          
Disclosure Of Financial Risk Management And Financial Instruments [Line Items]                                                          
Ordinary shares authorized to be repurchased | shares         10,000,000 10,000,000                                              
Approved share repurchase amount | $           $ 1,000,000,000.0                                              
Top of Range | Tencent Music Entertainment Group                                                          
Disclosure Of Financial Risk Management And Financial Instruments [Line Items]                                                          
Value of the long term investment                   2,451,000,000 1,629,000,000                                    
Top of Range | Warrants                                                          
Disclosure Of Financial Risk Management And Financial Instruments [Line Items]                                                          
Value of warrants                   106,000,000 127,000,000                                    
Bottom of Range | Tencent Music Entertainment Group                                                          
Disclosure Of Financial Risk Management And Financial Instruments [Line Items]                                                          
Value of the long term investment                   2,005,000,000 1,333,000,000                                    
Bottom of Range | Warrants                                                          
Disclosure Of Financial Risk Management And Financial Instruments [Line Items]                                                          
Value of warrants                   € 72,000,000 € 75,000,000