Insurance and Reinsurance contract Assets and Liabilities - Reinsurance Contracts Held in Analysis by Measurement Components (Detail) - CAD ($) $ in Millions |
12 Months Ended |
Dec. 31, 2025 |
Dec. 31, 2024 |
| Changes in insurance contracts for reconciliation by remaining coverage and incurred claims [abstract] |
|
|
| Opening reinsurance contract held assets, beginning balance |
$ 59,015
|
|
| Opening reinsurance contract held liabilities, beginning balance |
(2,669)
|
|
| Effects of changes in non-performance risk of reinsurers |
(12)
|
$ 57
|
| Closing reinsurance contract held assets, ending balance |
60,881
|
59,015
|
| Reinsurance contracts held that are liabilities |
(3,273)
|
(2,669)
|
| Reinsurance contracts held |
|
|
| Changes in insurance contracts for reconciliation by remaining coverage and incurred claims [abstract] |
|
|
| Opening reinsurance contract held assets, beginning balance |
59,015
|
42,651
|
| Opening reinsurance contract held liabilities, beginning balance |
(2,669)
|
(2,831)
|
| Net opening balance, beginning balance |
56,346
|
39,820
|
| Contracts initially recognized during the year |
48
|
57
|
| Effects of changes in non-performance risk of reinsurers |
12
|
(58)
|
| Effects of movements in foreign exchange rates |
2,993
|
(4,632)
|
| Total changes in income and OCI |
1,497
|
(1,969)
|
| Total cash flows |
2,759
|
14,557
|
| Net closing balance, ending balance |
57,608
|
56,346
|
| Closing reinsurance contract held assets, ending balance |
60,881
|
59,015
|
| Reinsurance contracts held that are liabilities |
(3,273)
|
(2,669)
|
| Reinsurance contracts held | PAA Estimates of PV of future cash flows |
|
|
| Changes in insurance contracts for reconciliation by remaining coverage and incurred claims [abstract] |
|
|
| Contracts initially recognized during the year |
8,322
|
18,990
|
| Reinsurance contracts held | PAA Risk adjustment for non-financial risk |
|
|
| Changes in insurance contracts for reconciliation by remaining coverage and incurred claims [abstract] |
|
|
| Contracts initially recognized during the year |
825
|
1,261
|
| Analysis by measurement components | Reinsurance contracts held |
|
|
| Changes in insurance contracts for reconciliation by remaining coverage and incurred claims [abstract] |
|
|
| Opening reinsurance contract held assets, beginning balance |
58,725
|
42,355
|
| Opening reinsurance contract held liabilities, beginning balance |
(2,642)
|
(2,790)
|
| Opening PAA reinsurance contract net assets, beginning balance |
263
|
255
|
| Net opening balance, beginning balance |
56,346
|
39,820
|
| CSM recognized for services received |
(424)
|
(321)
|
| Change in risk adjustment for non-financial risk for risk expired |
(515)
|
(536)
|
| Experience adjustments |
(497)
|
(265)
|
| Changes that relate to current services |
(1,436)
|
(1,122)
|
| Contracts initially recognized during the year |
48
|
57
|
| Changes in recoveries of losses on onerous underlying contracts that adjust the CSM |
(28)
|
142
|
| Changes in estimates that adjust the CSM |
0
|
0
|
| Changes in estimates that relate to losses and reversal of losses on onerous contracts |
166
|
172
|
| Changes that relate to future services |
186
|
371
|
| Adjustments to liabilities for incurred claims |
31
|
11
|
| Changes that relate to past services |
31
|
11
|
| Insurance service result |
(1,219)
|
(740)
|
| Insurance finance (income) expenses from reinsurance contracts |
2,751
|
(1,842)
|
| Effects of changes in non-performance risk of reinsurers |
11
|
(58)
|
| Effects of movements in foreign exchange rates |
(2,992)
|
4,630
|
| Total changes in income and OCI |
(1,449)
|
1,990
|
| Total cash flows |
2,732
|
14,528
|
| Change in PAA balance |
(21)
|
8
|
| Net closing balance, ending balance |
57,608
|
56,346
|
| Closing reinsurance contract held assets, ending balance |
60,606
|
58,725
|
| Reinsurance contracts held that are liabilities |
(3,240)
|
(2,642)
|
| Opening PAA reinsurance contract net assets, ending balance |
242
|
263
|
| Analysis by measurement components | Reinsurance contracts held | PAA Estimates of PV of future cash flows |
|
|
| Changes in insurance contracts for reconciliation by remaining coverage and incurred claims [abstract] |
|
|
| Opening reinsurance contract held assets, beginning balance |
50,275
|
38,156
|
| Opening reinsurance contract held liabilities, beginning balance |
(3,308)
|
(4,384)
|
| Opening PAA reinsurance contract net assets, beginning balance |
249
|
239
|
| Net opening balance, beginning balance |
47,216
|
34,011
|
| CSM recognized for services received |
0
|
0
|
| Change in risk adjustment for non-financial risk for risk expired |
0
|
0
|
| Experience adjustments |
(497)
|
(265)
|
| Changes that relate to current services |
(497)
|
(265)
|
| Contracts initially recognized during the year |
(1,080)
|
(1,826)
|
| Changes in recoveries of losses on onerous underlying contracts that adjust the CSM |
0
|
0
|
| Changes in estimates that adjust the CSM |
(253)
|
(1,577)
|
| Changes in estimates that relate to losses and reversal of losses on onerous contracts |
166
|
171
|
| Changes that relate to future services |
(1,167)
|
(3,232)
|
| Adjustments to liabilities for incurred claims |
31
|
11
|
| Changes that relate to past services |
31
|
11
|
| Insurance service result |
(1,633)
|
(3,486)
|
| Insurance finance (income) expenses from reinsurance contracts |
2,176
|
(1,858)
|
| Effects of changes in non-performance risk of reinsurers |
11
|
(58)
|
| Effects of movements in foreign exchange rates |
(2,630)
|
4,069
|
| Total changes in income and OCI |
(2,076)
|
(1,333)
|
| Total cash flows |
2,732
|
14,528
|
| Change in PAA balance |
(21)
|
10
|
| Net closing balance, ending balance |
47,851
|
47,216
|
| Closing reinsurance contract held assets, ending balance |
51,618
|
50,275
|
| Reinsurance contracts held that are liabilities |
(3,995)
|
(3,308)
|
| Opening PAA reinsurance contract net assets, ending balance |
228
|
249
|
| Analysis by measurement components | Reinsurance contracts held | PAA Risk adjustment for non-financial risk |
|
|
| Changes in insurance contracts for reconciliation by remaining coverage and incurred claims [abstract] |
|
|
| Opening reinsurance contract held assets, beginning balance |
5,442
|
3,685
|
| Opening reinsurance contract held liabilities, beginning balance |
333
|
1,305
|
| Opening PAA reinsurance contract net assets, beginning balance |
14
|
16
|
| Net opening balance, beginning balance |
5,789
|
5,006
|
| CSM recognized for services received |
0
|
0
|
| Change in risk adjustment for non-financial risk for risk expired |
(515)
|
(536)
|
| Experience adjustments |
0
|
0
|
| Changes that relate to current services |
(515)
|
(536)
|
| Contracts initially recognized during the year |
825
|
1,261
|
| Changes in recoveries of losses on onerous underlying contracts that adjust the CSM |
0
|
0
|
| Changes in estimates that adjust the CSM |
(26)
|
(290)
|
| Changes in estimates that relate to losses and reversal of losses on onerous contracts |
0
|
1
|
| Changes that relate to future services |
799
|
972
|
| Adjustments to liabilities for incurred claims |
0
|
0
|
| Changes that relate to past services |
0
|
0
|
| Insurance service result |
284
|
436
|
| Insurance finance (income) expenses from reinsurance contracts |
447
|
(62)
|
| Effects of changes in non-performance risk of reinsurers |
0
|
0
|
| Effects of movements in foreign exchange rates |
(257)
|
411
|
| Total changes in income and OCI |
474
|
785
|
| Total cash flows |
0
|
0
|
| Change in PAA balance |
0
|
(2)
|
| Net closing balance, ending balance |
6,263
|
5,789
|
| Closing reinsurance contract held assets, ending balance |
5,902
|
5,442
|
| Reinsurance contracts held that are liabilities |
347
|
333
|
| Opening PAA reinsurance contract net assets, ending balance |
14
|
14
|
| Analysis by measurement components | Reinsurance contracts held | CSM, Fair value |
|
|
| Changes in insurance contracts for reconciliation by remaining coverage and incurred claims [abstract] |
|
|
| Opening reinsurance contract held assets, beginning balance |
2,619
|
565
|
| Opening reinsurance contract held liabilities, beginning balance |
(112)
|
116
|
| Opening PAA reinsurance contract net assets, beginning balance |
0
|
0
|
| Net opening balance, beginning balance |
2,507
|
681
|
| CSM recognized for services received |
(216)
|
(62)
|
| Change in risk adjustment for non-financial risk for risk expired |
0
|
0
|
| Experience adjustments |
0
|
0
|
| Changes that relate to current services |
(216)
|
(62)
|
| Contracts initially recognized during the year |
(2)
|
2
|
| Changes in recoveries of losses on onerous underlying contracts that adjust the CSM |
(9)
|
110
|
| Changes in estimates that adjust the CSM |
(201)
|
1,657
|
| Changes in estimates that relate to losses and reversal of losses on onerous contracts |
0
|
0
|
| Changes that relate to future services |
(212)
|
1,769
|
| Adjustments to liabilities for incurred claims |
0
|
0
|
| Changes that relate to past services |
0
|
0
|
| Insurance service result |
(428)
|
1,707
|
| Insurance finance (income) expenses from reinsurance contracts |
69
|
16
|
| Effects of changes in non-performance risk of reinsurers |
0
|
0
|
| Effects of movements in foreign exchange rates |
(85)
|
103
|
| Total changes in income and OCI |
(444)
|
1,826
|
| Total cash flows |
0
|
0
|
| Change in PAA balance |
0
|
0
|
| Net closing balance, ending balance |
2,063
|
2,507
|
| Closing reinsurance contract held assets, ending balance |
2,223
|
2,619
|
| Reinsurance contracts held that are liabilities |
(160)
|
(112)
|
| Opening PAA reinsurance contract net assets, ending balance |
0
|
0
|
| Analysis by measurement components | Reinsurance contracts held | CSM, Other |
|
|
| Changes in insurance contracts for reconciliation by remaining coverage and incurred claims [abstract] |
|
|
| Opening reinsurance contract held assets, beginning balance |
389
|
(51)
|
| Opening reinsurance contract held liabilities, beginning balance |
445
|
173
|
| Opening PAA reinsurance contract net assets, beginning balance |
0
|
0
|
| Net opening balance, beginning balance |
834
|
122
|
| CSM recognized for services received |
(208)
|
(259)
|
| Change in risk adjustment for non-financial risk for risk expired |
0
|
0
|
| Experience adjustments |
0
|
0
|
| Changes that relate to current services |
(208)
|
(259)
|
| Contracts initially recognized during the year |
305
|
620
|
| Changes in recoveries of losses on onerous underlying contracts that adjust the CSM |
(19)
|
32
|
| Changes in estimates that adjust the CSM |
480
|
210
|
| Changes in estimates that relate to losses and reversal of losses on onerous contracts |
0
|
0
|
| Changes that relate to future services |
766
|
862
|
| Adjustments to liabilities for incurred claims |
0
|
0
|
| Changes that relate to past services |
0
|
0
|
| Insurance service result |
558
|
603
|
| Insurance finance (income) expenses from reinsurance contracts |
59
|
62
|
| Effects of changes in non-performance risk of reinsurers |
0
|
0
|
| Effects of movements in foreign exchange rates |
(20)
|
47
|
| Total changes in income and OCI |
597
|
712
|
| Total cash flows |
0
|
0
|
| Change in PAA balance |
0
|
0
|
| Net closing balance, ending balance |
1,431
|
834
|
| Closing reinsurance contract held assets, ending balance |
863
|
389
|
| Reinsurance contracts held that are liabilities |
568
|
445
|
| Opening PAA reinsurance contract net assets, ending balance |
$ 0
|
$ 0
|