XML 115 R97.htm IDEA: XBRL DOCUMENT v3.24.0.1
Accounting Policies - Insurance Contracts (Details) - EUR (€)
€ in Millions
Dec. 31, 2023
Jan. 01, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of voluntary change in accounting policy [line items]          
Equity € 27,096   € 31,708 € 28,684 € 18,260
Other current assets 2,702 € 1,926      
Receivables (Note 16) 7,430 7,208      
Other current liabilities 1,819 1,689      
Payables (12,138) € (11,821)      
Increase (decrease) due to changes in accounting policy required by IFRSs          
Disclosure of voluntary change in accounting policy [line items]          
Equity € 1        
Other current assets     132    
Receivables (Note 16)     (132)    
Other current liabilities     198    
Payables     € 197