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Segmented Information - Operating Results by Segment (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of operating segments [line items] |  |
Gross premiums: | $ 22,680 | $ 20,981
Less: Ceded premiums | 2,392 | 2,339
Interest income on plan assets | 13,140 | 2,389
Fee income | 6,251 | 5,966
Total revenue | 39,679 | 26,997
Total benefits and expenses | 36,446 | 23,486
Income tax expense (benefit) | 286 | 597
Total net income (loss) | 2,947 | 2,914
Less: Net income (loss) attributable to participating policyholders (Note 21) | 230 | 298
Less: Net income (loss) attributable to non-controlling interests | 4 | 0
Shareholders’ net income (loss) | 2,713 | 2,616
Consolidation adjustments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 0 |
Less: Ceded premiums | 0 | 0
Interest income on plan assets | (20) | (26)
Fee income | (144) | (126)
Total revenue | (164) | (152)
Total benefits and expenses | (164) | (152)
Income tax expense (benefit) | 0 | 0
Total net income (loss) | 0 | 0
Less: Net income (loss) attributable to participating policyholders (Note 21) | 0 | 0
Less: Net income (loss) attributable to non-controlling interests | 0 |
Shareholders’ net income (loss) |  | 0
Annuities |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 3,302 | 3,183
Annuities | Consolidation adjustments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 0 | 0
Life insurance |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 9,470 | 8,677
Life insurance | Consolidation adjustments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 0 | 0
Health insurance |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 9,908 | 9,121
Health insurance | Consolidation adjustments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 0 | 0
Canada | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 14,083 | 13,373
Less: Ceded premiums | 1,488 | 1,487
Interest income on plan assets | 6,474 | 1,942
Fee income | 1,320 | 1,240
Total revenue | 20,389 | 15,068
Total benefits and expenses | 19,317 | 13,497
Income tax expense (benefit) | 15 | 308
Total net income (loss) | 1,057 | 1,263
Less: Net income (loss) attributable to participating policyholders (Note 21) | 174 | 321
Less: Net income (loss) attributable to non-controlling interests | 0 |
Shareholders’ net income (loss) | 883 | 942
Canada | Annuities | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 3,276 | 3,261
Canada | Life insurance | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 5,178 | 4,796
Canada | Health insurance | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 5,629 | 5,316
U.S. | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 5,838 | 5,400
Less: Ceded premiums | 662 | 597
Interest income on plan assets | 2,802 | 305
Fee income | 86 | 73
Total revenue | 8,064 | 5,181
Total benefits and expenses | 7,878 | 5,183
Income tax expense (benefit) | 28 | (19)
Total net income (loss) | 158 | 17
Less: Net income (loss) attributable to participating policyholders (Note 21) | (5) | (35)
Less: Net income (loss) attributable to non-controlling interests | 0 |
Shareholders’ net income (loss) | 163 | 52
U.S. | Annuities | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 1 | 0
U.S. | Life insurance | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 1,605 | 1,633
U.S. | Health insurance | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 4,232 | 3,767
Asset Management |  |
Disclosure of operating segments [line items] |  |
Total revenue | 4,392 | 4,124
Asset Management | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 0 | 0
Less: Ceded premiums | 0 | 0
Interest income on plan assets | 83 | 13
Fee income | 4,309 | 4,111
Total revenue | 4,392 | 4,124
Total benefits and expenses | 3,229 | 2,930
Income tax expense (benefit) | 262 | 284
Total net income (loss) | 901 | 910
Less: Net income (loss) attributable to participating policyholders (Note 21) | 0 | 0
Less: Net income (loss) attributable to non-controlling interests | 4 |
Shareholders’ net income (loss) | 897 | 910
Asset Management | Annuities | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 0 | 0
Asset Management | Life insurance | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 0 | 0
Asset Management | Health insurance | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 0 | 0
Asia | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 2,630 | 2,179
Less: Ceded premiums | 222 | 232
Interest income on plan assets | 2,865 | 76
Fee income | 531 | 514
Total revenue | 5,804 | 2,537
Total benefits and expenses | 5,172 | 1,919
Income tax expense (benefit) | 51 | 51
Total net income (loss) | 581 | 567
Less: Net income (loss) attributable to participating policyholders (Note 21) | 61 | 12
Less: Net income (loss) attributable to non-controlling interests | 0 |
Shareholders’ net income (loss) | 520 | 555
Asia | Annuities | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 2 | 1
Asia | Life insurance | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 2,597 | 2,154
Asia | Health insurance | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 31 | 24
Corporate |  |
Disclosure of operating segments [line items] |  |
Total revenue | 1,194 | 239
Corporate | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 129 | 29
Less: Ceded premiums | 20 | 23
Interest income on plan assets | 936 | 79
Fee income | 149 | 154
Total revenue | 1,194 | 239
Total benefits and expenses | 1,014 | 109
Income tax expense (benefit) | (70) | (27)
Total net income (loss) | 250 | 157
Less: Net income (loss) attributable to participating policyholders (Note 21) | 0 | 0
Less: Net income (loss) attributable to non-controlling interests | 0 |
Corporate | Annuities | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 23 | (79)
Corporate | Life insurance | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | 90 | 94
Corporate | Health insurance | Reportable segments |  |
Disclosure of operating segments [line items] |  |
Gross premiums: | $ 16 | $ 14

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