| Parent Bank (NOKm) | 1 Jan 20 | Change in provision | Net write-offs /recoveries | 31 Mar 20 | 
| Loans as amortised cost- CM | 916 | 146 | -30 | 1,031 | 
| Loans as amortised cost- RM | 34 | 7 | -3 | 39 | 
| Loans at fair value over OCI- RM | 109 | 37 | - | 146 | 
| Loans at fair value over OCI- CM | 1 | -0 | - | 1 | 
| Provision for expected credit losses on loans and guarantees | 1,060 | 190 | -33 | 1,219 | 
| Presented as | ||||
| Provision for loan losses | 937 | 182 | -33 | 1,086 | 
| Other debt- provisons | 100 | 6 | - | 106 | 
| Other comprehensive income - fair value adjustment | 23 | 3 | - | 26 | 
| Parent Bank (NOKm) | 1 Jan 19 | Change in provision | Net write-offs/ recoveries | 31 Mar 19 | 
| Loans as amortised cost- CM | 742 | 50 | 1 | 792 | 
| Loans as amortised cost- RM | 45 | 17 | 1 | 63 | 
| Loans at fair value over OCI- RM | 75 | -12 | - | 63 | 
| Provision for expected credit losses on loans and guarantees | 862 | 55 | 2 | 918 | 
| Presented as | ||||
| Provision for loan losses | 697 | 64 | 2 | 763 | 
| Other debt- provisons | 148 | -10 | - | 139 | 
| Other comprehensive income - fair value adjustment | 17 | 0 | - | 17 | 
| Parent Bank (NOKm) | 1 Jan 19 | Change in provision | Net write-offs/ recoveries | 31 Dec 19 | 
| Loans as amortised cost- CM | 742 | 201 | -27 | 916 | 
| Loans as amortised cost- RM | 45 | -6 | -5 | 34 | 
| Loans at fair value over OCI- RM | 75 | 34 | - | 109 | 
| Loans at fair value over OCI- CM | - | 1 | - | 1 | 
| Provision for expected credit losses on loans and guarantees | 862 | 230 | -32 | 1,060 | 
| Presented as | ||||
| Provision for loan losses | 697 | 272 | -32 | 937 | 
| Other debt- provisons | 148 | -48 | - | 100 | 
| Other comprehensive income - fair value adjustment | 17 | 6 | - | 23 | 
| Group (NOKm) | 1 Jan 20 | Change in provision | Net write-offs/ recoveries | 31 Mar 20 | 
| Loans as amortised cost- CM | 948 | 149 | -32 | 1,065 | 
| Loans as amortised cost- RM | 63 | 3 | -3 | 63 | 
| Loans at fair value over OCI- RM | 109 | 37 | - | 146 | 
| Loans at fair value over OCI- CM | 1 | -0 | - | 1 | 
| Provision for expected credit losses on loans and guarantees | 1,121 | 190 | -34 | 1,276 | 
| Presented as | ||||
| Provision for loan losses | 998 | 180 | -34 | 1,144 | 
| Other debt- provisons | 100 | 6 | - | 106 | 
| Other comprehensive income - fair value adjustment | 23 | 3 | - | 26 | 
| Group (NOKm) | 1 Jan 19 | Change in provision | Net write-offs/ recoveries | 31 Mar 19 | 
| Loans as amortised cost- CM | 766 | 57 | 0 | 822 | 
| Loans as amortised cost- RM | 68 | 17 | 1 | 86 | 
| Loans at fair value over OCI- RM | 75 | -12 | - | 63 | 
| Provision for expected credit losses on loans and guarantees | 909 | 62 | 1 | 971 | 
| Presented as | ||||
| Provision for loan losses | 744 | 70 | 1 | 815 | 
| Other debt- provisons | 148 | -10 | - | 139 | 
| Other comprehensive income - fair value adjustment | 17 | 0 | - | 17 | 
| Group (NOKm) | 1 Jan 19 | Change in provision | Net write- offs/ recoveries | 31 Dec 19 | 
| Loans as amortised cost- CM | 766 | 212 | -31 | 948 | 
| Loans as amortised cost- RM | 68 | 0 | -5 | 63 | 
| Loans at fair value over OCI- RM | 75 | 34 | - | 109 | 
| Loans at fair value over OCI- CM | - | 1 | - | 1 | 
| Provision for expected credit losses on loans and guarantees | 909 | 248 | -36 | 1,121 | 
| Presented as | ||||
| Provision for loan losses | 744 | 290 | -36 | 998 | 
| Other debt- provisons | 148 | -48 | - | 100 | 
| Other comprehensive income - fair value adjustment | 17 | 6 | - | 23 | 
| Accrual for losses on loans | 31 Mar 20 | 31 Mar 19 | 31 Dec 19 | |||||||||||
| Parent Bank (NOKm) | Stage1 | Stage2 | Stage3 | Total | Stage1 | Stage2 | Stage3 | Total | Stage1 | Stage2 | Stage3 | Total | ||
| Retail market | ||||||||||||||
| Opening balance | 25 | 73 | 45 | 143 | 28 | 63 | 29 | 120 | 27 | 62 | 31 | 120 | ||
| Transfer to (from) Stage 1 | 13 | -13 | -0 | - | 10 | -10 | -0 | - | 10 | - 10 | 0 | - | ||
| Transfer to (from) Stage 2 | -2 | 2 | -0 | - | -1 | 1 | -0 | - | - 2 | 2 | 0 | - | ||
| Transfer to (from) Stage 3 | -0 | -3 | 3 | - | -0 | -2 | 2 | - | 0 | - 3 | 3 | - | ||
| Net remeasurement of loss allowances | -15 | 12 | 9 | 6 | -6 | 17 | 3 | 14 | - 11 | 24 | 18 | 30 | ||
| Originations or purchases | 4 | 2 | 0 | 6 | - | - | - | - | 13 | 17 | 1 | 31 | ||
| Derecognitions | -2 | -6 | -1 | -10 | -3 | -6 | -0 | -10 | - 11 | - 20 | - 1 | - 33 | ||
| Changes due to changed input assumptions | 5 | 38 | - | 43 | - | - | - | - | ||||||
| Actual loan losses | -3 | -3 | 1 | 1 | - | - | - 5 | - 5 | ||||||
| Closing balance | 28 | 104 | 53 | 185 | 28 | 63 | 36 | 126 | 25 | 73 | 45 | 143 | ||
| Corporate market | ||||||||||||||
| Opening balance | 66 | 210 | 540 | 816 | 64 | 148 | 383 | 594 | 64 | 148 | 382 | 594 | ||
| Transfer to (from) Stage1 | 9 | -9 | -0 | - | 9 | -9 | -0 | - | 19 | - 19 | 0 | - | ||
| Transfer to (from) Stage2 | -4 | 4 | -0 | - | -1 | 1 | - | - | - 8 | 8 | - | - | ||
| Transfer to (from) Stage3 | -0 | -1 | 1 | - | -0 | -0 | 1 | - | 0 | 0 | 1 | - | ||
| Net remeasurement of loss allowances | -8 | 33 | 148 | 173 | -0 | 28 | 58 | 86 | - 17 | 98 | 185 | 266 | ||
| Originations or purchases | 14 | 2 | 1 | 17 | - | - | - | - | 27 | 20 | 1 | 48 | ||
| Derecognitions | -11 | -72 | -0 | -83 | -6 | -21 | -0 | -27 | - 20 | - 43 | 0 | - 63 | ||
| Changes due to changed input assumptions | 4 | 30 | - | 34 | - | - | - | - | ||||||
| Actual loan losses | - | - | -30 | -30 | 1 | 1 | - | - | - 27 | - 27 | ||||
| Closing balance | 70 | 197 | 660 | 927 | 64 | 147 | 441 | 654 | 66 | 210 | 541 | 817 | ||
| Total accual for loan losses | 98 | 301 | 713 | 1,112 | 92 | 210 | 477 | 780 | 91 | 283 | 586 | 961 | ||
| 31 Mar 20 | 31 Mar 19 | 31 Dec 19 | ||||||||||||
| Group (NOKm) | Stage1 | Stage2 | Stage3 | Total | Stage1 | Stage 2 | Stage 3 | Total | Stage1 | Stage 2 | Stage3 | Total | ||
| Retail market | ||||||||||||||
| Opening balance | 32 | 84 | 56 | 172 | 34 | 72 | 37 | 143 | 33 | 71 | 39 | 143 | ||
| Transfer to (from) Stage 1 | 14 | -14 | -0 | -0 | 11 | -11 | -0 | - | 12 | -11 | - | - | ||
| Transfer to (from) Stage 2 | -2 | 3 | -1 | 0 | -1 | 3 | -1 | - | -2 | 4 | -1 | - | ||
| Transfer to (from) Stage 3 | -0 | -4 | 4 | -0 | -0 | -3 | 3 | - | - | -3 | 4 | - | ||
| Net remeasurement of loss allowances | -16 | 12 | 11 | 8 | -7 | 18 | 4 | 15 | -14 | 24 | 22 | 32 | ||
| Originations or purchases | 5 | 2 | 0 | 7 | 5 | 3 | 0 | 8 | 17 | 23 | 3 | 44 | ||
| Derecognitions | -3 | -7 | -7 | -17 | -3 | -7 | -2 | -12 | -13 | -23 | -5 | -41 | ||
| Changes due to changed input assumptions | 5 | 38 | - | 43 | - | - | - | - | - | - | - | - | ||
| Actual loan losses | - | - | -3 | -3 | - | - | 1 | 1 | - | - | -5 | -5 | ||
| Closing balance | 35 | 114 | 61 | 210 | 38 | 74 | 42 | 155 | 32 | 84 | 56 | 172 | ||
| Corporate market | ||||||||||||||
| Opening balance | 71 | 218 | 557 | 846 | 68 | 152 | 397 | 618 | 70 | 152 | 397 | 619 | ||
| Transfer to (from) Stage 1 | 9 | -9 | -0 | - | 10 | -9 | -1 | - | 20 | -20 | - | - | ||
| Transfer to (from) Stage 2 | -4 | 4 | -0 | - | -2 | 2 | -0 | - | -9 | 9 | - | - | ||
| Transfer to (from) Stage 3 | -0 | -1 | 1 | - | -0 | -1 | 1 | 0 | - | -1 | 1 | - | ||
| Net remeasurement of loss allowances | -9 | 33 | 151 | 175 | -9 | 25 | 57 | 73 | -19 | 100 | 188 | 268 | ||
| Originations or purchases | 14 | 2 | 3 | 20 | 9 | 7 | 0 | 16 | 30 | 21 | 7 | 59 | ||
| Derecognitions | -11 | -73 | -1 | -85 | -6 | -21 | -0 | -28 | -20 | -44 | -2 | -66 | ||
| Changes due to changed input assumptions | 4 | 30 | - | 34 | - | - | - | - | - | - | - | - | ||
| Actual loan losses | - | - | -31 | -31 | - | - | -1 | -1 | - | - | -31 | -31 | ||
| Closing balance | 75 | 204 | 680 | 960 | 70 | 156 | 452 | 678 | 71 | 218 | 560 | 849 | ||
| Total accrual for loan losses | 110 | 318 | 741 | 1,170 | 108 | 230 | 494 | 832 | 104 | 302 | 616 | 1,021 | ||
| Accrual for losses on guarantees and unused credit lines | ||||||||||||||
| 31 Mar 20 | 31 Mar 19 | 31 Dec 19 | ||||||||||||
| Parent bank and Group (NOKm) | Stage1 | Stage2 | Stage3 | Total | Stage1 | Stage2 | Stage3 | Total | Stage1 | Stage2 | Stage3 | Total | ||
| Opening balance | 14 | 29 | 57 | 100 | 11 | 47 | 90 | 148 | 11 | 47 | 90 | 148 | ||
| Provision for credit losses | ||||||||||||||
| Transfer to (from) Stage 1 | 1 | -1 | -0 | - | 1 | -1 | -0 | -0 | 3 | -3 | -0 | 0 | ||
| Transfer to (from) Stage 2 | -0 | 0 | - | - | -0 | 0 | - | - | -1 | 1 | - | - | ||
| Transfer to (from) Stage 3 | -0 | -0 | 0 | - | -0 | -0 | 0 | 0 | -0 | -0 | 0 | 0 | ||
| Net remeassurement of loss allowances | -3 | 8 | -0 | 5 | -0 | 2 | -10 | -8 | -2 | 3 | -33 | -33 | ||
| Origination or purchases | 2 | 0 | 0 | 3 | - | - | - | - | 7 | 1 | 0 | 8 | ||
| Derecognitions | -1 | -3 | -0 | -4 | -1 | -0 | -0 | -1 | -3 | -20 | -0 | -24 | ||
| Changes due to changed input assumptions | 1 | 2 | - | 3 | - | - | - | - | - | - | - | |||
| Actual loan losses | - | - | - | - | - | - | ||||||||
| Closing Balance | 14 | 36 | 57 | 106 | 10 | 48 | 81 | 139 | 14 | 29 | 57 | 100 | ||