Fair value of financial instrument - Changes in Fair Value Measurement for Instruments Measured on a Recurring Basis and Categorized in Level 3 (Detail) - CAD ($)
$ in Millions |
12 Months Ended |
Oct. 31, 2022 |
Oct. 31, 2021 |
| Level 3 [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
$ 3,594
|
|
| Fair value assets, ending balance |
4,553
|
$ 3,594
|
| Fair value liabilities, beginning balance |
1,548
|
|
| Fair value liabilities, ending balance |
2,347
|
1,548
|
| Level 3 [member] | Corporate debt and other debt [member] | Investment [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
152
|
|
| Fair value assets, ending balance |
151
|
152
|
| Level 3 [member] | Equities [member] | Investment [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
334
|
|
| Fair value assets, ending balance |
397
|
334
|
| Level 3 [member] | Other assets [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
0
|
|
| Fair value assets, ending balance |
15
|
0
|
| Level 3 [member] | Trading Securities [member] | Corporate debt and other debt [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
25
|
|
| Fair value assets, ending balance |
7
|
25
|
| Level 3 [member] | Trading Securities [member] | Equities [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
1,530
|
|
| Fair value assets, ending balance |
1,874
|
1,530
|
| Recurring [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
651,710
|
|
| Fair value assets, ending balance |
759,410
|
651,710
|
| Fair value liabilities, beginning balance |
534,521
|
|
| Fair value liabilities, ending balance |
619,565
|
534,521
|
| Recurring [member] | Level 3 [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
2,204
|
2,155
|
| Gains (losses) included in earnings |
(139)
|
128
|
| Gains (losses) included in OCI |
86
|
(58)
|
| Purchases (issuances) |
522
|
526
|
| Settlement (sales) and other |
(453)
|
(223)
|
| Transfers into Level 3 |
454
|
(160)
|
| Transfers out of Level 3 |
(227)
|
(164)
|
| Fair value assets, ending balance |
2,447
|
2,204
|
| Gains (losses) included in earnings for positions still held |
130
|
269
|
| Fair value liabilities, beginning balance |
(158)
|
(177)
|
| Gains (losses) included in earnings |
1
|
(44)
|
| Gains (losses) included in OCI |
(3)
|
6
|
| Purchases (issuances) |
(120)
|
(191)
|
| Settlement (sales) and other |
34
|
59
|
| Transfers into Level 3 |
(143)
|
(154)
|
| Transfers out of Level 3 |
148
|
343
|
| Fair value liabilities, ending balance |
(241)
|
(158)
|
| Gains (losses) included in earnings for positions still held |
19
|
29
|
| Recurring [member] | Level 3 [member] | Investment [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
506
|
522
|
| Gains (losses) included in OCI |
61
|
15
|
| Purchases (issuances) |
11
|
5
|
| Settlement (sales) and other |
(1)
|
2
|
| Transfers into Level 3 |
37
|
|
| Transfers out of Level 3 |
(38)
|
(38)
|
| Fair value assets, ending balance |
576
|
506
|
| Recurring [member] | Level 3 [member] | Mortgage-backed securities [member] | Investment [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
20
|
27
|
| Gains (losses) included in OCI |
8
|
(7)
|
| Fair value assets, ending balance |
28
|
20
|
| Recurring [member] | Level 3 [member] | Corporate debt and other debt [member] | Investment [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
152
|
160
|
| Gains (losses) included in OCI |
2
|
(12)
|
| Settlement (sales) and other |
|
4
|
| Transfers out of Level 3 |
(3)
|
|
| Fair value assets, ending balance |
151
|
152
|
| Recurring [member] | Level 3 [member] | Equities [member] | Investment [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
334
|
335
|
| Gains (losses) included in OCI |
51
|
34
|
| Purchases (issuances) |
11
|
5
|
| Settlement (sales) and other |
(1)
|
(2)
|
| Transfers into Level 3 |
37
|
|
| Transfers out of Level 3 |
(35)
|
(38)
|
| Fair value assets, ending balance |
397
|
334
|
| Recurring [member] | Level 3 [member] | Interest rate contracts [member] | Net derivative balances, category [Member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
(635)
|
(588)
|
| Gains (losses) included in earnings |
(187)
|
84
|
| Gains (losses) included in OCI |
(5)
|
(1)
|
| Purchases (issuances) |
17
|
5
|
| Settlement (sales) and other |
64
|
(109)
|
| Transfers into Level 3 |
(13)
|
(4)
|
| Transfers out of Level 3 |
(100)
|
(22)
|
| Fair value assets, ending balance |
(859)
|
(635)
|
| Gains (losses) included in earnings for positions still held |
(16)
|
84
|
| Recurring [member] | Level 3 [member] | Foreign exchange contracts [member] | Net derivative balances, category [Member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
47
|
22
|
| Gains (losses) included in earnings |
(103)
|
14
|
| Gains (losses) included in OCI |
(2)
|
|
| Purchases (issuances) |
(22)
|
38
|
| Settlement (sales) and other |
3
|
(25)
|
| Transfers into Level 3 |
5
|
7
|
| Transfers out of Level 3 |
(60)
|
(9)
|
| Fair value assets, ending balance |
(132)
|
47
|
| Gains (losses) included in earnings for positions still held |
(90)
|
1
|
| Recurring [member] | Level 3 [member] | Other contracts [member] | Net derivative balances, category [Member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
(393)
|
(301)
|
| Gains (losses) included in earnings |
165
|
(20)
|
| Gains (losses) included in OCI |
(34)
|
11
|
| Purchases (issuances) |
(245)
|
(142)
|
| Settlement (sales) and other |
70
|
102
|
| Transfers into Level 3 |
(406)
|
(276)
|
| Transfers out of Level 3 |
58
|
233
|
| Fair value assets, ending balance |
(785)
|
(393)
|
| Gains (losses) included in earnings for positions still held |
271
|
(10)
|
| Recurring [member] | Level 3 [member] | Valuation adjustments [member] | Net derivative balances, category [Member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
20
|
40
|
| Purchases (issuances) |
25
|
6
|
| Settlement (sales) and other |
(11)
|
(26)
|
| Transfers into Level 3 |
19
|
|
| Fair value assets, ending balance |
53
|
20
|
| Recurring [member] | Level 3 [member] | Other assets [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
|
53
|
| Gains (losses) included in earnings |
|
(39)
|
| Gains (losses) included in OCI |
1
|
(2)
|
| Purchases (issuances) |
15
|
|
| Settlement (sales) and other |
(1)
|
(12)
|
| Fair value assets, ending balance |
15
|
|
| Recurring [member] | Level 3 [member] | Loans [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
1,077
|
1,070
|
| Gains (losses) included in earnings |
(25)
|
(5)
|
| Gains (losses) included in OCI |
(37)
|
(19)
|
| Purchases (issuances) |
407
|
264
|
| Settlement (sales) and other |
(466)
|
(8)
|
| Transfers into Level 3 |
802
|
73
|
| Transfers out of Level 3 |
(66)
|
(298)
|
| Fair value assets, ending balance |
1,692
|
1,077
|
| Gains (losses) included in earnings for positions still held |
(78)
|
30
|
| Recurring [member] | Level 3 [member] | Trading Securities [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
1,582
|
1,337
|
| Gains (losses) included in earnings |
11
|
94
|
| Gains (losses) included in OCI |
102
|
(62)
|
| Purchases (issuances) |
314
|
350
|
| Settlement (sales) and other |
(111)
|
(147)
|
| Transfers into Level 3 |
10
|
40
|
| Transfers out of Level 3 |
(21)
|
(30)
|
| Fair value assets, ending balance |
1,887
|
1,582
|
| Gains (losses) included in earnings for positions still held |
43
|
164
|
| Recurring [member] | Level 3 [member] | Trading Securities [member] | U.S. state, municipal and agencies debt - issued or guaranteed [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
25
|
44
|
| Gains (losses) included in OCI |
2
|
(2)
|
| Settlement (sales) and other |
(23)
|
(17)
|
| Fair value assets, ending balance |
4
|
25
|
| Gains (losses) included in earnings for positions still held |
|
1
|
| Recurring [member] | Level 3 [member] | Trading Securities [member] | Asset-backed securities, Non-CDO securities [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
2
|
2
|
| Fair value assets, ending balance |
2
|
2
|
| Recurring [member] | Level 3 [member] | Trading Securities [member] | Corporate debt and other debt [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
25
|
30
|
| Gains (losses) included in earnings |
(3)
|
(2)
|
| Purchases (issuances) |
|
12
|
| Settlement (sales) and other |
(6)
|
(5)
|
| Transfers into Level 3 |
9
|
14
|
| Transfers out of Level 3 |
(18)
|
(24)
|
| Fair value assets, ending balance |
7
|
25
|
| Gains (losses) included in earnings for positions still held |
|
(1)
|
| Recurring [member] | Level 3 [member] | Trading Securities [member] | Equities [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value assets, beginning balance |
1,530
|
1,261
|
| Gains (losses) included in earnings |
14
|
96
|
| Gains (losses) included in OCI |
100
|
(60)
|
| Purchases (issuances) |
314
|
338
|
| Settlement (sales) and other |
(82)
|
(125)
|
| Transfers into Level 3 |
1
|
26
|
| Transfers out of Level 3 |
(3)
|
(6)
|
| Fair value assets, ending balance |
1,874
|
1,530
|
| Gains (losses) included in earnings for positions still held |
43
|
164
|
| Recurring [member] | Level 3 [member] | Deposits - Personal [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value liabilities, beginning balance |
(151)
|
(139)
|
| Gains (losses) included in earnings |
2
|
(66)
|
| Gains (losses) included in OCI |
(3)
|
5
|
| Purchases (issuances) |
(120)
|
(191)
|
| Settlement (sales) and other |
26
|
51
|
| Transfers into Level 3 |
(143)
|
(154)
|
| Transfers out of Level 3 |
148
|
343
|
| Fair value liabilities, ending balance |
(241)
|
(151)
|
| Gains (losses) included in earnings for positions still held |
19
|
6
|
| Recurring [member] | Level 3 [member] | Other liabilities [member] |
|
|
| Disclosure of fair value measurement of assets and liabilities [line Items] |
|
|
| Fair value liabilities, beginning balance |
(7)
|
(38)
|
| Gains (losses) included in earnings |
(1)
|
22
|
| Gains (losses) included in OCI |
|
1
|
| Settlement (sales) and other |
$ 8
|
8
|
| Fair value liabilities, ending balance |
|
(7)
|
| Gains (losses) included in earnings for positions still held |
|
$ 23
|