Statement Of Comprehensive Income [Abstract]

DNB Bank ASA - Filing #5495205

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	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	2023-01-01 to 2023-12-31
Statement of comprehensive income [abstract]
Profit (loss)	33,000,000 NOK	1 901 NOK	45 804 NOK	—	—	43 870 NOK	—	39 479 NOK	1 312 NOK	2,000,000 NOK	—	38 166 NOK
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) on revaluation of property, plant and equipment, right-of-use assets and intangible assets	—	—	11,000,000 NOK	—	—	11,000,000 NOK	—	2,000,000 NOK	—	—	—	2,000,000 NOK
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	—	—	207,000,000 NOK	—	—	207,000,000 NOK	—	291,000,000 NOK	—	—	—	291,000,000 NOK
Other comprehensive income, before tax, change in fair value of financial liability attributable to change in credit risk of liability	—	—	75,000,000 NOK	75,000,000 NOK	—	—	102,000,000 NOK	102,000,000 NOK	—	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Exchange differences on translation [abstract]
Gains (losses) on exchange differences on translation of foreign operations, before tax	—	—	7 150 NOK	—	7 150 NOK	—	—	4 950 NOK	—	—	4 950 NOK	—
Reclassification adjustments on exchange differences on translation of foreign operations, before tax	—	—	29,000,000 NOK	—	—	—	—	- NOK	—	—	—	—
Hedges of net investment in foreign operations [abstract]
Other comprehensive income, before tax, hedges of net investments in foreign operations	—	—	5 686 NOK	—	5 686 NOK	—	—	3 845 NOK	—	—	3 845 NOK	—
Financial assets measured at fair value through other comprehensive income [abstract]
Other comprehensive income, before tax, financial assets measured at fair value through other comprehensive income	—	—	191,000,000 NOK	—	—	191,000,000 NOK	—	147,000,000 NOK	—	—	—	147,000,000 NOK
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	—	—	31,000,000 NOK	—	—	—	—	99,000,000 NOK	—	—	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract]
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss	—	—	1 374 NOK	—	—	—	—	998,000,000 NOK	—	—	—	—
Other comprehensive income	—	—	3 089 NOK	—	—	—	—	1 663 NOK	—	—	—	—
Comprehensive income	33,000,000 NOK	1 901 NOK	48 893 NOK	57,000,000 NOK	2 857 NOK	44 159 NOK	76,000,000 NOK	41 142 NOK	1 312 NOK	2,000,000 NOK	2 066 NOK	37 839 NOK