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Total Invested Assets and Related Net Investment Income
12 Months Ended
Dec. 31, 2018
Fair Value Measurement [Abstract]  
Total Invested Assets and Related Net Investment Income
5.A Fair Value of Invested Assets
5.A.i Carrying Value and Fair Value of Financial Assets
The carrying values and fair values of our financial assets are shown in the following table:
As at
 
December 31, 2018
 
December 31, 2017
 
 
Carrying value

 
Fair value

 
Carrying value

 
Fair value

Assets
 
 
 
 
 
 
 
 
Cash, cash equivalents and short-term securities
 
$
9,506

 
$
9,506

 
$
8,890

 
$
8,890

Debt securities – fair value through profit or loss
 
61,402

 
61,402

 
59,967

 
59,967

Debt securities – available-for-sale
 
13,041

 
13,041

 
12,652

 
12,652

Equity securities – fair value through profit or loss
 
4,014

 
4,014

 
5,078

 
5,078

Equity securities – available-for-sale
 
620

 
620

 
942

 
942

Mortgages and loans
 
46,822

 
48,434

 
42,805

 
45,406

Derivative assets
 
1,112

 
1,112

 
1,478

 
1,478

Other invested assets – fair value through profit or loss(1)
 
2,701

 
2,701

 
2,211

 
2,211

Other invested assets – available-for-sale(1) 
 
621

 
621

 
562

 
562

Policy loans
 
3,222

 
3,222

 
3,106

 
3,106

Total financial assets(2)
 
$
143,061

 
$
144,673

 
$
137,691


$
140,292


(1) Other invested assets (FVTPL and AFS) include our investments in segregated funds, mutual funds, and limited partnerships.
(2) Invested assets on our Consolidated Statements of Financial Position of $151,726 ($146,139 as at December 31, 2017) includes Total financial assets in this table, Investment properties of $7,157 ($7,067 as at December 31, 2017), and Other invested assets – non-financial assets of $1,508 ($1,381 as at December 31, 2017).

Derivative liabilities with a fair value of $2,295 ($1,756 as at December 31, 2017) are also included on the Consolidated Statements of Financial Position.

Our mortgages and loans are generally carried at amortized cost. The fair value of mortgages and loans, for disclosure purposes, is determined based on the methodology and assumptions described in Note 5.A.ii. As at December 31, 2018, $40,730 and $7,704 are categorized in Level 2 and Level 3, respectively, of the fair value hierarchy described in this Note ($38,601 and $6,805 as at December 31, 2017).

Policy loans are carried at their unpaid principal balances. The fair value of policy loans, for disclosure purposes, is approximated by their carrying value, as policy loans are fully secured by policy values on which the loans are made and are categorized in Level 2 of the fair value hierarchy.
5.A.ii Fair Value Methodologies and Assumptions
The fair value of government and corporate debt securities is determined using quoted prices in active markets for identical or similar securities. When quoted prices in active markets are not available, fair value is determined using market standard valuation methodologies, which include discounted cash flow analysis, consensus pricing from various broker dealers that are typically the market makers, or other similar techniques. The assumptions and valuation inputs in applying these market standard valuation methodologies are determined primarily using observable market inputs, which include, but are not limited to, benchmark yields, reported trades of identical or similar instruments, broker-dealer quotes, issuer spreads, bid prices, and reference data including market research publications. In limited circumstances, non-binding broker quotes are used.

The fair value of asset-backed securities is determined using quoted prices in active markets for identical or similar securities, when available, or valuation methodologies and valuation inputs similar to those used for government and corporate debt securities. Additional valuation inputs include structural characteristics of the securities, and the underlying collateral performance, such as prepayment speeds and delinquencies. Expected prepayment speeds are based primarily on those previously experienced in the market at projected future interest rate levels. In instances where there is a lack of sufficient observable market data to value the securities, non-binding broker quotes are used.

The fair value of equity securities is determined using quoted prices in active markets for identical securities or similar securities. When quoted prices in active markets are not available, fair value is determined using equity valuation models, which include discounted cash flow analysis and other techniques that involve benchmark comparison. Valuation inputs primarily include projected future operating cash flows and earnings, dividends, market discount rates, and earnings multiples of comparable companies.

The fair value of mortgages and loans is determined by discounting the expected future cash flows using a current market interest rate applicable to financial instruments with a similar yield, credit quality, and maturity characteristics. Valuation inputs typically include benchmark yields and risk-adjusted spreads from current lending activities or loan issuances. The risk-adjusted spreads are determined based on the borrower's credit and liquidity, as well as term and other loan-specific features. Long-term mortgages and loans are generally categorized in Level 3 of the fair value hierarchy. The significant unobservable input is a portion of these risk-adjusted spreads at or beyond the 20-year point for mortgages and at or beyond the 10-year point for loans.

The fair value of derivative financial instruments depends upon derivative types. The fair value of exchange-traded futures and options is determined using quoted prices in active markets, while the fair value of over-the-counter (“OTC”) derivatives is determined using pricing models, such as discounted cash flow analysis or other market standard valuation techniques, with primarily observable market inputs. Valuation inputs used to price OTC derivatives may include swap interest rate curves, foreign exchange spot and forward rates, index prices, the value of underlying securities, projected dividends, volatility surfaces, and in limited circumstances, counterparty quotes. The fair value of OTC derivative financial instruments also includes credit valuation adjustments to reflect the credit risk of both the derivative counterparty and ourselves as well as the impact of contractual factors designed to reduce our credit exposure, such as collateral and legal rights of offset under master netting agreements. Inputs into determining the appropriate credit valuation adjustments are typically obtained from publicly available information and include credit default swap spreads when available, credit spreads derived from specific bond yields, or published cumulative default experience data adjusted for current trends when credit default swap spreads are not available.

The fair value of other invested assets is determined using quoted prices in active markets for identical securities or similar securities. When quoted prices in active markets are not available, fair value is determined using equity valuation models, which include discounted cash flow analysis and other techniques that involve benchmark comparison. Valuation inputs primarily include projected future operating cash flows and earnings, dividends, market discount rates, and earnings multiples of comparable companies.

The fair value of investment properties is generally determined using property valuation models that are based on expected capitalization rates and models that discount expected future net cash flows at current market interest rates reflective of the characteristics, location, and market of each property. Expected future net cash flows include contractual and projected cash flows and forecasted operating expenses, and take into account interest, rental, and occupancy rates derived from market surveys. The estimates of future cash inflows in addition to expected rental income from current leases, include projected income from future leases based on significant assumptions that are consistent with current market conditions. The future rental rates are estimated based on the location, type, and quality of the properties, and take into account market data and projections at the valuation date. The fair values are typically compared to market-based information for reasonability, including recent transactions involving comparable assets. The methodologies and inputs used in these models are in accordance with real estate industry valuation standards. Valuations are prepared externally or internally by professionally accredited real estate appraisers.

The fair value of short-term securities is approximated by their carrying amount, adjusted for credit risk where appropriate.

The fair value of investments for account of segregated fund holders is determined using quoted prices in active markets or independent valuation information provided by investment managers. The fair value of direct investments within investments for account of segregated fund holders, such as short-term securities and government and corporate debt securities, is determined according to valuation methodologies and inputs described above in the respective asset type sections.

The methodologies and assumptions for determining the fair values of investment contract liabilities are included in Note 10.B.
5.A.iii Fair Value Hierarchy
We categorize our assets and liabilities carried at fair value, based on the priority of the inputs to the valuation techniques used to measure fair value, into a three-level fair value hierarchy as follows:

Level 1: Fair value is based on the unadjusted quoted prices for identical assets or liabilities in an active market. The types of assets and liabilities classified as Level 1 generally include cash and cash equivalents, certain U.S. government and agency securities, exchange-traded equity securities, and certain segregated and mutual fund units held for account of segregated fund holders.

Level 2: Fair value is based on quoted prices for similar assets or liabilities traded in active markets, or prices from valuation techniques that use significant observable inputs, or inputs that are derived principally from or corroborated with observable market data through correlation or other means. The types of assets and liabilities classified as Level 2 generally include Canadian federal, provincial and municipal government, other foreign government and corporate debt securities, certain asset-backed securities, OTC derivatives, and certain segregated and mutual fund units held for account of segregated fund holders.

Level 3: Fair value is based on valuation techniques that require one or more significant inputs that are not based on observable market inputs. These unobservable inputs reflect our expectations about the assumptions market participants would use in pricing the asset or liability. The types of assets and liabilities classified as Level 3 generally include certain corporate bonds, certain other invested assets, and investment properties.
















Our assets and liabilities that are carried at fair value on a recurring basis by hierarchy level are as follows:
As at
December 31, 2018
December 31, 2017
 
 
Level 1

 
Level 2

 
Level 3

 
Total

 
Level 1

 
Level 2

 
Level 3

 
Total

Assets
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash, cash equivalents and short-term securities
 
$
8,926

 
$
580

 
$

 
$
9,506

 
$
7,683

 
$
1,207

 
$

 
$
8,890

Debt securities – fair value through profit or loss
 
1,253

 
59,776

 
373

 
61,402

 
1,103

 
58,447

 
417

 
59,967

Debt securities – available-for-sale
 
1,513

 
11,485

 
43

 
13,041

 
818

 
11,698

 
136

 
12,652

Equity securities – fair value through profit or loss
 
1,967

 
1,845

 
202

 
4,014

 
3,379

 
1,532

 
167

 
5,078

Equity securities – available-for-sale
 
398

 
186

 
36

 
620

 
710

 
194

 
38

 
942

Derivative assets
 
27

 
1,085

 

 
1,112

 
27

 
1,451

 

 
1,478

Other invested assets
 
898

 
183

 
2,241

 
3,322

 
912

 
140

 
1,721

 
2,773

Investment properties
 

 

 
7,157

 
7,157

 

 

 
7,067

 
7,067

Total invested assets measured at fair value
 
$
14,982


$
75,140

 
$
10,052

 
$
100,174

 
$
14,632

 
$
74,669

 
$
9,546

 
$
98,847

Investments for account of segregated fund holders
24,705

 
76,761

 
1,596

 
103,062

 
27,481

 
77,757

 
1,154

 
106,392

Total assets measured at fair value
 
$
39,687


$
151,901


$
11,648


$
203,236

 
$
42,113

 
$
152,426

 
$
10,700

 
$
205,239

Liabilities
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Investment contract liabilities
 
$

 
$

 
$
3

 
$
3

 
$

 
$

 
$
3

 
$
3

Derivative liabilities
 
11

 
2,284

 

 
2,295

 
5

 
1,751

 

 
1,756

Total liabilities measured at fair value
 
$
11


$
2,284


$
3


$
2,298

 
$
5


$
1,751


$
3


$
1,759


Debt securities – fair value through profit or loss consist of the following:
As at
December 31, 2018
December 31, 2017
 
 
Level 1

 
Level 2

 
Level 3

 
Total

 
Level 1

 
Level 2

 
Level 3

 
Total

Canadian federal government
 
$

 
$
3,815

 
$
15

 
$
3,830

 
$

 
$
3,351

 
$
15

 
$
3,366

Canadian provincial and municipal government
 

 
11,852

 
14

 
11,866

 

 
12,142

 
16

 
12,158

U.S. government and agency
 
1,253

 
125

 
2

 
1,380

 
1,103

 
125

 
3

 
1,231

Other foreign government
 

 
4,895

 
34

 
4,929

 

 
5,318

 
43

 
5,361

Corporate
 

 
34,665

 
205

 
34,870

 

 
33,864

 
306

 
34,170

Asset-backed securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Commercial mortgage-backed securities
 

 
1,464

 
3

 
1,467

 

 
1,459

 
1

 
1,460

Residential mortgage-backed securities
 

 
1,961

 

 
1,961

 

 
1,625

 

 
1,625

Collateralized debt obligations
 

 
143

 

 
143

 

 
55

 

 
55

Other
 

 
856

 
100

 
956

 

 
508

 
33

 
541

Total debt securities – fair value through profit or loss
 
$
1,253

 
$
59,776

 
$
373

 
$
61,402

 
$
1,103


$
58,447


$
417


$
59,967


Debt securities – available-for-sale consist of the following:
As at
December 31, 2018
December 31, 2017
 
 
Level 1

 
Level 2

 
Level 3

 
Total

 
Level 1

 
Level 2

 
Level 3

 
Total

Canadian federal government
 
$

 
$
1,746

 
$

 
$
1,746

 
$

 
$
1,832

 
$

 
$
1,832

Canadian provincial and municipal government
 

 
1,199

 

 
1,199

 

 
1,138

 

 
1,138

U.S. government and agency
 
1,513

 
14

 

 
1,527

 
818

 

 

 
818

Other foreign government
 

 
716

 
1

 
717

 

 
752

 

 
752

Corporate
 

 
4,971

 
42

 
5,013

 

 
5,838

 
56

 
5,894

Asset-backed securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Commercial mortgage-backed securities
 

 
766

 

 
766

 

 
744

 

 
744

Residential mortgage-backed securities
 

 
386

 

 
386

 

 
398

 

 
398

Collateralized debt obligations
 

 
804

 

 
804

 

 
345

 
69

 
414

Other
 

 
883

 

 
883

 

 
651

 
11

 
662

Total debt securities – available-for-sale
 
$
1,513

 
$
11,485

 
$
43

 
$
13,041

 
$
818


$
11,698


$
136

 
$
12,652



During 2018 and 2017, we did not have any significant transfers between Level 1 and Level 2.
The following table provides a reconciliation of the beginning and ending balances for assets that are categorized in Level 3:
For the year ended
Debt securities – fair value through profit or loss 
 
Debt securities – available-for-sale
 
Equity securities – fair value through profit or loss
 
Equity securities – available-for-sale
 
Other invested assets
 
Investment properties
 
Total invested assets measured at fair value
 
Investments for account of segregated fund holders
 
Total assets measured at fair value
 
December 31, 2018
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Beginning balance
 
$
417

 
$
136

 
$
167

 
$
38

 
$
1,721

 
$
7,067

 
$
9,546

 
$
1,154

 
$
10,700

Included in net income(1)(3)(5)          
 
(4
)
 

 
9

 

 
69

 
441

 
515

 
29

 
544

Included in OCI(3)
 

 
(5
)
 

 
(8
)
 
(9
)
 

 
(22
)
 

 
(22
)
Purchases
 
164

 
140

 
19

 
4

 
644

 
621

 
1,592

 
430

 
2,022

Sales
 
(49
)
 
(6
)
 

 
(1
)
 
(227
)
 
(1,113
)
 
(1,396
)
 
(31
)
 
(1,427
)
Settlements
 
(21
)
 
(4
)
 

 
(1
)
 

 

 
(26
)
 
(1
)
 
(27
)
Transfers into Level 3(2)
 
12

 
1

 

 
1

 

 

 
14

 
4

 
18

Transfers (out) of Level 3(2)
 
(159
)
 
(221
)
 

 

 

 

 
(380
)
 
(5
)
 
(385
)
Foreign currency translation(4) 
 
13

 
2

 
7

 
3

 
43

 
141

 
209

 
16

 
225

Ending balance
 
$
373


$
43


$
202

 
$
36


$
2,241


$
7,157


$
10,052


$
1,596

 
$
11,648

Gains (losses) included in earnings relating to instruments still held at the reporting date(1)
 
$
5

 
$

 
$
9

 
$

 
$
69

 
$
331

 
$
414

 
$
27

 
$
441

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2017
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Beginning balance
 
$
442

 
$
191

 
$
144

 
$
7

 
$
1,544

 
$
6,592

 
$
8,920

 
$
865

 
$
9,785

Included in net income(1)(3)(5)          
 
(3
)
 
(1
)
 
7

 

 
(59
)
 
158

 
102

 
60

 
162

Included in OCI(3)
 

 

 

 

 
18

 

 
18

 

 
18

Purchases
 
180

 
215

 
34

 
32

 
505

 
448

 
1,414

 
302

 
1,716

Sales
 
(41
)
 
(2
)
 
(7
)
 

 
(318
)
 
(277
)
 
(645
)
 
(77
)
 
(722
)
Settlements
 
(66
)
 
(5
)
 
(7
)
 

 

 

 
(78
)
 
(1
)
 
(79
)
Transfers into Level 3(2)(6)
 
204

 

 

 

 
49

 
259

 
512

 

 
512

Transfers (out) of Level 3(2)
 
(284
)
 
(262
)
 

 

 

 

 
(546
)
 

 
(546
)
Foreign currency translation(4) 
(15
)
 

 
(4
)
 
(1
)
 
(18
)
 
(113
)
 
(151
)
 
5

 
(146
)
Ending balance
 
$
417


$
136


$
167


$
38


$
1,721


$
7,067


$
9,546


$
1,154


$
10,700

Gains (losses) included in earnings relating to instruments still held at the reporting date(1)
 
$

 
$

 
$
8

 
$

 
$
(59
)
 
$
147

 
$
96

 
$
27

 
$
123

(1) Included in Net investment income (loss) for Total invested assets measured at fair value in our Consolidated Statements of Operations.
(2) Transfers into Level 3 occur when the inputs used to price the assets and liabilities lack observable market data, and as a result, no longer meet the Level 1 or 2 definitions at the reporting date. Transfers out of Level 3 occur when the pricing inputs become more transparent and satisfy the Level 1 or 2 criteria and are primarily the result of observable market data being available at the reporting date, thus removing the requirement to rely on inputs that lack observability.
(3) Total gains and losses in net income (loss) and OCI are calculated assuming transfers into or out of Level 3 occur at the beginning of the period. For an asset or liability that transfers into Level 3 during the reporting period, the entire change in fair value for the period is included in the table above. For transfers out of Level 3 during the reporting period, the change in fair value for the period is excluded from the table above.
(4) Foreign currency translation relates to the foreign exchange impact of translating Level 3 assets and liabilities of foreign subsidiaries from their functional currencies to Canadian dollars.
(5) Investment properties included in net income is comprised of fair value changes on investment properties of $529 ($211 in 2017) net of amortization of leasing commissions and tenant inducements of $88 ($53 in 2017).
(6) Transfers into Level 3 in Investment properties includes the reclassification of our former head office location in 2017, previously classified as owner-occupied with a fair value of $259 at the time of transfer from Other assets to Investment properties. The reclassification recognized a revaluation surplus of $172, which was recorded as an increase of $139 of accumulated other comprehensive income, net of taxes of $33.

Unobservable Inputs and Sensitivity for Level 3 Assets
Our assets categorized in Level 3 of the fair value hierarchy are primarily Investment properties, Debt securities, and Other invested assets.

The fair value of Investment properties is determined by using the discounted cash flows methodology as described in Note 5.A.ii. The key unobservable inputs used in the valuation of investment properties as at December 31, 2018 include the following:
Estimated rental value: The estimated rental value is based on contractual rent and other local market lease transactions net of reimbursable operating expenses. An increase (decrease) in the estimated rental value would result in a higher (lower) fair value. The estimated rental value varies depending on the property types, which include retail, office, and industrial properties. The estimated rental value (in dollars, per square foot, per annum) ranges from $12.00 to $76.00 for retail and office properties and from $3.00 to $11.00 for industrial properties.
Rental growth rate: The rental growth rate is typically estimated based on expected market behaviour, which is influenced by the type of property and geographic region of the property. An increase (decrease) in the rental growth rate would result in a higher (lower) fair value. The rental growth rate (per annum) ranges from 0.00% to 3.00%.
Long-term vacancy rate: The long-term vacancy rate is typically estimated based on expected market behaviour, which is influenced by the type of property and geographic region of the property. An increase (decrease) in the long-term vacancy rate would result in a lower (higher) fair value. The long-term vacancy rate ranges from 2.00% to 10.00%.
Discount rate: The discount rate is derived from market activity across various property types and geographic regions and is a reflection of the expected rate of return to be realized on the investment over the next 10 years. An increase (decrease) in the discount rate would result in a lower (higher) fair value. The discount rate ranges from 4.00% to 10.25%.
Terminal capitalization rate: The terminal capitalization rate is derived from market activity across various property types and geographic regions and is a reflection of the expected rate of return to be realized on the investment over the remainder of its life after the 10-year period. An increase (decrease) in the terminal capitalization rate would result in a lower (higher) fair value. The terminal capitalization rate ranges from 4.25% to 8.75%.

Changes in the estimated rental value are positively correlated with changes in the rental growth rate. Changes in the estimated rental value are negatively correlated with changes in the long-term vacancy rate, the discount rate, and the terminal capitalization rate.

Our Debt securities categorized in Level 3, which are included in Debt securities – FVTPL and Debt securities – AFS in the Level 3 roll forward table, consist primarily of corporate bonds. The fair value of these corporate bonds is generally determined using broker quotes that cannot be corroborated with observable market transactions. Significant unobservable inputs for these corporate bonds would include issuer spreads, which are comprised of credit, liquidity, and other security-specific features of the bonds. An increase (decrease) in these issuer spreads would result in a lower (higher) fair value. Due to the unobservable nature of these broker quotes, we do not assess whether applying reasonably possible alternative assumptions would have an impact on the fair value of the Level 3 corporate bonds. The majority of our debt securities categorized in Level 3 are FVTPL assets supporting insurance contract liabilities. Changes in the fair value of these assets supporting insurance contract liabilities are largely offset by changes in the corresponding insurance contract liabilities under CALM. As a result, though using reasonably possible alternative assumptions may have an impact on the fair value of the Level 3 debt securities, it would not have a significant impact on our Consolidated Financial Statements.

The Other invested assets categorized in Level 3, which are included in Other invested assets – FVTPL and Other invested assets – AFS in the Level 3 roll forward table, consists primarily of limited partnership investments. The fair value of our limited partnership investments are based on net asset value ("NAV") provided by management of the limited partnership investments. Based on the unobservable nature of these NAVs, we do not assess whether applying reasonably possible alternative assumptions would have an impact on the fair value of the Level 3 limited partnership investments.

Valuation Process for Level 3 Assets
Our assets categorized in Level 3 of the fair value hierarchy are primarily Investment properties, Debt securities, and limited partnership investments included in Other invested assets. Our valuation processes for these assets are as follows:

The fair value of Investment properties are based on the results of appraisals performed annually and reviewed quarterly for material changes. The valuation methodology used to determine the fair value is in accordance with the standards of the Appraisal Institute of Canada, the U.S., and the U.K. Investment properties are appraised externally at least once every three years. Investment properties not appraised externally in a given year are reviewed by qualified appraisers. A management committee, including investment professionals, reviews the fair value of Investment properties for overall reasonability.

The fair value of Debt securities is generally obtained by external pricing services. We obtain an understanding of inputs and valuation methods used by external pricing services. When fair value cannot be obtained from external pricing services, broker quotes, or internal models subject to detailed review and validation processes are used. The fair value of debt securities is subject to price validation and review procedures to ensure overall reasonability.

The fair value of limited partnership investments, included in Other invested assets, is based on NAV. The financial statements used in calculating the NAV are generally audited annually. We review the NAV of the limited partnership investments and perform analytical and other procedures to ensure the fair value is reasonable.
5.B Interest and Other Investment Income
Interest and other investment income consist of the following:
For the years ended December 31,
 
2018

 
2017

Interest income:
 
 
 
 
Cash, cash equivalents and short-term securities
 
$
131

 
$
65

Debt securities – fair value through profit or loss
 
2,312

 
2,292

Debt securities – available-for-sale
 
384

 
352

Mortgages and loans
 
2,050

 
1,928

Derivative investments
 
45

 
70

Policy loans
 
175

 
165

Total interest income
 
5,097

 
4,872

Equity securities – dividends on fair value through profit or loss
 
160

 
159

Equity securities – dividends on available-for-sale
 
14

 
15

Investment properties rental income(1)
 
594

 
623

Investment properties expenses
 
(259
)
 
(286
)
Other income
 
242

 
223

Investment expenses and taxes
 
(207
)
 
(193
)
Total interest and other investment income
 
$
5,641

 
$
5,413


(1) Comprised of operating lease rental income.
5.C Fair Value and Foreign Currency Changes on Assets and Liabilities
Fair value and foreign currency changes on assets and liabilities recorded to net income consist of the following:
For the years ended December 31,
 
2018

 
2017

Fair value change:
 
 
 
 
Cash, cash equivalents and short-term securities
 
$
8

 
$
1

Debt securities
 
(2,704
)
 
1,630

Equity securities
 
(401
)
 
441

Derivative investments
 
(1,295
)
 
649

Other invested assets
 
16

 
59

Total change in fair value through profit or loss assets and liabilities
 
(4,376
)
 
2,780

Fair value changes on investment properties
 
529

 
211

Foreign exchange gains (losses)(1)
 
446

 
(388
)
Realized gains (losses) on property and equipment(2)
 
28

 

Fair value and foreign currency changes on assets and liabilities
 
$
(3,373
)
 
$
2,603


(1) Primarily arises from the translation of foreign currency denominated AFS monetary assets and mortgage and loans. Any offsetting amounts arising from foreign currency derivatives are included in the fair value change on derivative investments.
(2) In 2018, we sold and leased back a property in Waterloo, Ontario. The transaction qualified as a sale and operating lease and as a result, we recognized a gain of $28.
5.D Cash, Cash Equivalents and Short-Term Securities
Cash, cash equivalents and short-term securities presented in our Consolidated Statements of Financial Position and Net cash, cash equivalents and short-term securities presented in our Consolidated Statements of Cash Flows consist of the following:
As at December 31,
2018
 
2017
 
Cash
 
$
2,089

 
$
1,504

Cash equivalents
 
5,209

 
4,592

Short-term securities
 
2,208

 
2,794

Cash, cash equivalents and short-term securities
 
9,506

 
8,890

Less: Bank overdraft, recorded in Other liabilities
 
104

 
140

Net cash, cash equivalents and short-term securities
 
$
9,402

 
$
8,750








5.E Derivative Financial Instruments and Hedging Activities
The fair values of derivative financial instruments by major class of derivatives are as follows:
As at December 31,
 
2018
 
2017
 
 
Fair value
 
Fair value
 
 
Assets

Liabilities
 
 
Assets

 
Liabilities

Interest rate contracts
 
$
922

 
$
(440
)
 
$
1,188

 
$
(518
)
Foreign exchange contracts
 
130

 
(1,820
)
 
177

 
(1,232
)
Other contracts
 
60

 
(35
)
 
113

 
(6
)
Total derivatives
 
$
1,112

 
$
(2,295
)
 
$
1,478

 
$
(1,756
)


The following table presents the fair values of derivative assets and liabilities categorized by type of hedge for accounting purposes and derivative investments:
As at December 31,
2018
2017
 
 
 
 
Fair value
 
 
 
Fair value
 
Total notional amount
 
 
Assets

Liabilities
 
Total notional amount
 
 
Assets

Liabilities
 
Derivative investments(1)
 
$
58,268

 
$
1,101

 
$
(2,134
)
 
$
53,299

 
$
1,439

 
$
(1,575
)
Fair value hedges
 
779

 

 
(153
)
 
690

 
2

 
(181
)
Cash flow hedges
 
151

 
11

 
(8
)
 
132

 
37

 

Total derivatives
 
$
59,198

 
$
1,112

 
$
(2,295
)
 
$
54,121


$
1,478


$
(1,756
)

(1) Derivative investments are derivatives that have not been designated as hedges for accounting purposes.

We did not have any net investment hedges in 2018 or 2017.

Hedge ineffectiveness recognized in Interest and other investment income consists of the following:
For the years ended December 31,
 
2018

 
2017

Fair value hedging ineffectiveness:
 
 
 
 
Gains (losses) on the hedged items attributable to the hedged risk
 
$
(41
)
 
$
(22
)
Gains (losses) on the hedging derivatives
 
40

 
19

Net ineffectiveness on fair value hedges
 
$
(1
)
 
$
(3
)


For cash flow hedges, we had hedge ineffectiveness of $1 in 2018 ($3 in 2017). We expect to reclassify a loss of $2 from accumulated OCI to net income within the next 12 months that relates to cash flow hedges of anticipated award payments under certain share-based payment plans that are expected to occur in 2019, 2020 and 2021. The reclassification of accumulated OCI to income relating to these foreign currency forwards occurs upon disposal or impairment of the foreign operation.
5.F Transfers of Financial Assets
We enter into transactions, including mortgage securitization, repurchase agreements and securities lending, where we transfer financial assets while retaining the risks and rewards of ownership of the assets. These transferred financial assets are not derecognized and remain on our Consolidated Statements of Financial Position. The carrying value of the transferred assets and the associated liabilities are described in the sections below.
5.F.i Mortgage Securitization
We securitize certain insured fixed rate commercial mortgages through the creation of mortgage-backed securities under the National Housing Act Mortgage-Backed Securities ("NHA MBS") Program sponsored by the Canada Mortgage and Housing Corporation ("CMHC"). The NHA MBS are then sold to Canada Housing Trust, a government-sponsored security trust that issues securities to third-party investors under the Canadian Mortgage Bond ("CMB") program. The securitization of these assets does not qualify for derecognition as we have not transferred substantially all of the risks and rewards of ownership. Specifically, we continue to be exposed to pre-payment and interest rate risk associated with these assets. There are no expected credit losses on the securitized mortgages, as the mortgages were already insured by the CMHC prior to securitization. These assets continue to be recognized as Mortgages and loans in our Consolidated Statements of Financial Position. Proceeds from securitization transactions are recognized as secured borrowings and included in Other liabilities in our Consolidated Statements of Financial Position.

Receipts of principal on the securitized mortgages are deposited into a principal reinvestment account ("PRA") to meet our repayment obligation upon maturity under the CMB program. The assets in the PRA are typically comprised of cash and cash equivalents and certain asset-backed securities. We are exposed to reinvestment risk due to the amortizing nature of the securitized mortgages relative to our repayment obligation for the full principal amount due at maturity. We mitigate this reinvestment risk using interest rate swaps.

The carrying value and fair value of the securitized mortgages as at December 31, 2018 are $1,328 and $1,318, respectively ($1,283 and $1,267 as at December 31, 2017). The carrying value and fair value of the associated liabilities as at December 31, 2018 are $1,453 and $1,446, respectively ($1,355 and $1,346 as at December 31, 2017). The carrying value of asset-backed securities in the PRA as at December 31, 2018 and 2017 are $124 and $75, respectively. There are no cash and cash equivalents in the PRA as at December 31, 2018 and 2017.

The fair value of the secured borrowings from mortgage securitization is based on the methodologies and assumptions for asset-backed securities described in Note 5.A.ii. The fair value of these liabilities is categorized in Level 2 of the fair value hierarchy as at December 31, 2018 and 2017.
5.F.ii Repurchase Agreements
We enter into repurchase agreements for operational funding and liquidity purposes. Repurchase agreements have maturities ranging from 7 to 365 days, averaging 127 days, and bear interest at an average rate of 1.92% as at December 31, 2018 (1.25% as at December 31, 2017). The carrying values of the transferred assets and the obligations related to their repurchase, which approximate their fair values, are $1,824 as at December 31, 2018 ($1,976 as at December 31, 2017). These liabilities are categorized in Level 2 of the fair value hierarchy. Collateral primarily consists of cash and cash equivalents as well as government guaranteed securities. Details on the collateral pledged are included in Note 6.A.ii.
5.F.iii Securities Lending
The Company engages in securities lending to generate additional income. Certain securities from its portfolio are lent to other institutions for short periods. Collateral exceeding the fair value of the securities lent is deposited by the borrower with a lending agent, usually a securities custodian, and maintained by the lending agent until the underlying security has been returned to us. The fair value of the securities lent is monitored on a daily basis with additional collateral obtained or refunded as the fair values fluctuate. Collateral primarily consists of Canadian federal and provincial government securities and cash and cash equivalents. Certain arrangements allow us to invest the cash collateral received for the securities lent. The carrying values of the securities lent approximate their fair values. The carrying values of the securities lent and the related collateral held are $2,217 and $2,338 as at December 31, 2018 ($1,467 and $1,546 as at December 31, 2017).