XML 117 R280.htm IDEA: XBRL DOCUMENT v3.20.1
Shareholders' Equity - Summary of Other Reserves (Detail) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure of revaluation reserve [Line Items]      
Beginning balance € 149 € (390) € 1,347
Movement in foreign currency translation and net foreign investment hedging reserves 302 513 (1,800)
Disposal of a business (1) 36 7
Tax effect (5) (20) 76
Equity movements of joint ventures 8 8 (15)
Equity movements of associates 4 2 (5)
Other   1  
Ending balance 456 149 (390)
Foreign currency translation reserve [member]      
Disclosure of revaluation reserve [Line Items]      
Beginning balance 499 (80) 1,734
Movement in foreign currency translation and net foreign investment hedging reserves 312 562 (1,929)
Disposal of a business (1) 50 7
Tax effect (10) (32) 108
Ending balance 800 499 (80)
Net foreign investment hedging reserve [member]      
Disclosure of revaluation reserve [Line Items]      
Beginning balance (370) (321) (418)
Movement in foreign currency translation and net foreign investment hedging reserves (10) (46) 129
Disposal of a business   (14)  
Tax effect 5 12 (32)
Ending balance (374) (370) (321)
Equity movements of joint ventures and associates [member]      
Disclosure of revaluation reserve [Line Items]      
Beginning balance 19 11 31
Movement in foreign currency translation and net foreign investment hedging reserves   (3)  
Equity movements of joint ventures 8 8 (15)
Equity movements of associates 4 2 (5)
Other   1  
Ending balance € 31 € 19 € 11