Analysis Of Income And Expense [Abstract]

DNB Bank ASA - Filing #2548000

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Interest income	—	—	—	—	—	—	—	—	—	—	—	—
Interest income on other financial assets	—	7 095 NOK	—	—	—	—	—	—	—	4 751 NOK	—	—
Material income and expense [abstract]
Interest expense	—	—	—	—	—	—	—	—	—	—	—	—
Interest expense on other financial liabilities	—	2 658 NOK	—	—	—	—	—	—	—	2 619 NOK	—	—
Interest income (expense)	—	61 547 NOK	—	—	—	—	—	—	—	48 294 NOK	—	—
Selling, general and administrative expense [abstract]
General and administrative expense	—	8 506 NOK	—	—	—	—	—	—	—	7 648 NOK	—	—
Revenue and other operating income	—	81 697 NOK	—	—	—	—	—	—	—	66 133 NOK	—	—
Operating expense	—	28 620 NOK	—	—	—	—	—	—	—	25 803 NOK	—	—
Fee and commission income (expense) [abstract]
Fee and commission income [abstract]
Fee and commission income	—	14 772 NOK	—	—	—	—	—	—	—	14 184 NOK	—	—
Fee and commission expense [abstract]
Fee and commission expense	—	3 658 NOK	—	—	—	—	—	—	—	3 856 NOK	—	—
Expenses by nature [abstract]
Classes of employee benefits expense [abstract]
Employee benefits expense	—	16 320 NOK	—	—	—	—	—	—	—	14 690 NOK	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss	—	3 794 NOK	—	—	—	—	—	—	—	3 465 NOK	—	—
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations	—	4 950 NOK	—	—	4 950 NOK	—	3 275 NOK	—	—	3 275 NOK	—	—
Other comprehensive income, before tax, hedges of net investments in foreign operations	—	3 845 NOK	—	—	3 845 NOK	—	2 878 NOK	—	—	2 878 NOK	—	—
Income tax relating to exchange differences on translation of foreign operations and hedges of net investments in foreign operations included in other comprehensive income [abstract]
Income tax relating to hedges of net investments in foreign operations included in other comprehensive income	—	- NOK	—	—	—	—	—	—	—	1 284 NOK	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates accounted for using equity method	—	449,000,000 NOK	—	—	—	—	—	—	—	746,000,000 NOK	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	—	99,000,000 NOK	—	—	—	—	—	—	—	131,000,000 NOK	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss	—	998,000,000 NOK	—	—	—	—	—	—	—	900,000,000 NOK	—	—
Income tax relating to components of other comprehensive income	25,000,000 NOK	1 096 NOK	—	—	961,000,000 NOK	110,000,000 NOK	719,000,000 NOK	—	35,000,000 NOK	768,000,000 NOK	—	84,000,000 NOK
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	76,000,000 NOK	41 142 NOK	1 312 NOK	2,000,000 NOK	2 066 NOK	37 839 NOK	243,000,000 NOK	769,000,000 NOK	105,000,000 NOK	33 098 NOK	82,000,000 NOK	32 385 NOK