XML 146 R128.htm IDEA: XBRL DOCUMENT v3.24.0.1
Rights of Use - Expenses Related to Leases Included in Operating Results and Income from Subleasing Right-of-Use Assets (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Rights of Use [Abstract]    
Short-term leases included in operating results as supplies € 73 € 79
Variable lease payments not included in the measurement of lease liabilities 14 17
Total expenses as supplies 87 96
Short-term leases included in external services 45 52
Leases of low-value assets included in external services 7 8
Variable lease payments not included in the measurement of lease liabilities 16 26
Total expenses as external services (Note 26) 68 86
Total lease expenses € 155 € 182