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Note 11 - Computation of Earnings per Share in Euro (Detail) - € / shares
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Earnings per share [Abstract]      
Basic earnings per share [1] € 2.83 € 2.37 € 1.00
Diluted earnings per share [1] € 2.77 € 2.32 € 0.97
[1] Earnings were adjusted by € 498 million, € 479 million and € 363 million before tax for the coupons paid on Additional Tier 1 Notes in May 2023, May 2022 and April 2021; in accordance with IAS 33 the coupons paid on Additional Tier 1 Notes are not attributable to Deutsche Bank shareholders and therefore need to be deducted in the calculation