XML 217 R188.htm IDEA: XBRL DOCUMENT v3.24.0.1
Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Detail) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Reconciliation of changes in deferred tax liability (asset) [line items]    
Beginning balance $ 5,172 $ 6,054
Recognized in Income Statement (470) 1,994
Recognized in Other Comprehensive Income 326 (3,034)
Recognized in Equity 4 8
Translation and Other 10 150
Ending balance 5,042 5,172
Loss carryforwards [Member]    
Reconciliation of changes in deferred tax liability (asset) [line items]    
Beginning balance 701 517
Recognized in Income Statement (18) 184
Recognized in Equity (8)  
Translation and Other (5)  
Ending balance 670 701
Actuarial liabilities [Member]    
Reconciliation of changes in deferred tax liability (asset) [line items]    
Beginning balance 4,507 13,731
Recognized in Income Statement 188 2,334
Recognized in Other Comprehensive Income 1,198 (12,005)
Recognized in Equity   11
Translation and Other (80) 436
Ending balance 5,813 4,507
Pensions and post-employment benefits [Member]    
Reconciliation of changes in deferred tax liability (asset) [line items]    
Beginning balance 142 161
Recognized in Income Statement 4 (2)
Recognized in Other Comprehensive Income 26 (17)
Translation and Other (1)  
Ending balance 171 142
Tax credits [Member]    
Reconciliation of changes in deferred tax liability (asset) [line items]    
Beginning balance 109 46
Recognized in Income Statement 15 63
Translation and Other (2)  
Ending balance 122 109
Accrued interest [Member]    
Reconciliation of changes in deferred tax liability (asset) [line items]    
Beginning balance 1 1
Ending balance 1 1
Real estate [Member]    
Reconciliation of changes in deferred tax liability (asset) [line items]    
Beginning balance (1,317) (1,287)
Recognized in Income Statement 168 10
Recognized in Other Comprehensive Income   (1)
Translation and Other 14 (39)
Ending balance (1,135) (1,317)
Lease liability [member]    
Reconciliation of changes in deferred tax liability (asset) [line items]    
Beginning balance 47 26
Recognized in Income Statement (7) 17
Recognized in Equity   3
Translation and Other (2) 1
Ending balance 38 47
Right of use asset and sublease receivable [Member]    
Reconciliation of changes in deferred tax liability (asset) [line items]    
Beginning balance (41) (22)
Recognized in Income Statement 7 (18)
Recognized in Equity   (2)
Translation and Other   1
Ending balance (34) (41)
Securities and other investments [member]    
Reconciliation of changes in deferred tax liability (asset) [line items]    
Beginning balance 1,560 (6,484)
Recognized in Income Statement (293) (702)
Recognized in Other Comprehensive Income (1,245) 8,984
Recognized in Equity 2 (10)
Translation and Other 62 (228)
Ending balance 86 1,560
Sale of investments [Member]    
Reconciliation of changes in deferred tax liability (asset) [line items]    
Beginning balance (30) (40)
Recognized in Income Statement 12 10
Ending balance (18) (30)
Goodwill and intangible assets [Member]    
Reconciliation of changes in deferred tax liability (asset) [line items]    
Beginning balance (828) (804)
Recognized in Income Statement (12) (6)
Translation and Other 18 (18)
Ending balance (822) (828)
Other [Member]    
Reconciliation of changes in deferred tax liability (asset) [line items]    
Beginning balance 321 209
Recognized in Income Statement (534) 104
Recognized in Other Comprehensive Income 347 5
Recognized in Equity 10 6
Translation and Other 6 (3)
Ending balance $ 150 $ 321