Pension and Other Post-Employment Benefits (Tables)

12 Months Ended

Dec. 31, 2017

General Discussion of Pension and Other Postretirement Benefits [Abstract]

Changes In Benefit Obligation And Fair Value Of Plan Assets

		Pension Benefits				OPEB
As at December 31		2017		2016		2017		2016
Change in Benefit Obligations
Projected Benefit Obligation, Beginning of Year	$	211	$	212	$	92	$	96
Service Cost		1		2		8		10
Interest Cost		7		8		3		4
Actuarial (Gains) Losses		7		6		(8)		(14)
Exchange Differences		15		6		-		2
Employee Contributions		-		-		1		1
Benefits Paid		(15)		(23)		(6)		(7)
Curtailment		-		-		(5)		-
Projected Benefit Obligation, End of Year	$	226	$	211	$	85	$	92
Change in Plan Assets
Fair Value of Plan Assets, Beginning of Year	$	194	$	208	$	-	$	-
Actual Return on Plan Assets		15		9		-		-
Exchange Differences		14		7		-		-
Employee Contributions		-		-		1		1
Employer Contributions		2		-		5		6
Benefits Paid		(15)		(23)		(6)		(7)
Transfers to Defined Contribution Plan		-		(7)		-		-
Fair Value of Plan Assets, End of Year	$	210	$	194	$	-	$	-
Funded Status of Plan Assets, End of Year	$	(16)	$	(17)	$	(85)	$	(92)
Total Recognized Amounts in the
Consolidated Balance Sheet Consist of:
Other Assets	$	4	$	1	$	-	$	-
Current Liabilities		-		-		(7)		(7)
Non-Current Liabilities		(20)		(18)		(78)		(85)
Total	$	(16)	$	(17)	$	(85)	$	(92)
Total Recognized Amounts in Accumulated
Other Comprehensive Income Consist of:
Net Actuarial (Gains) Losses	$	28	$	28	$	(35)	$	(28)
Net Prior Service Costs		(5)		(5)		(5)		(7)
Total Recognized in Accumulated Other Comprehensive
Income, Before Tax	$	23	$	23	$	(40)	$	(35)

Accumulated Benefit Obligation And Projected Benefit Obligation In Excess Of The Plan Assets Fair Value

		Pension Benefits				OPEB
As at December 31		2017		2016		2017		2016
Projected Benefit Obligation	$	(77)	$	(211)	$	(85)	$	(92)
Accumulated Benefit Obligation		(76)		(208)		(85)		(92)
Fair Value of Plan Assets		57		194		-		-

Weighted Average Assumptions Used

	Pension Benefits		OPEB
As at December 31	2017	2016	2017	2016
Discount Rate	3.25%	3.50%	3.44%	3.80%
Rates of Increase in Compensation Levels	3.49%	3.49%	5.04%	5.04%

Total Benefit Plan Expense Recognized

	Pension Benefits						OPEB
For the years ended December 31		2017		2016		2015		2017		2016		2015
Net Defined Periodic Benefit Cost	$	-	$	(1)	$	1	$	3	$	13	$	14
Defined Contribution Plan Expense		24		25		33		-		-		-
Total Benefit Plans Expense	$	24	$	24	$	34	$	3	$	13	$	14

Defined Periodic Pension And OPEB Expense

	Pension Benefits						OPEB
For the years ended December 31		2017		2016		2015		2017		2016		2015
Service Cost	$	1	$	2	$	2	$	8	$	10	$	10
Interest Cost		7		8		9		3		4		4
Expected Return on Plan Assets		(9)		(11)		(12)		-		-		-
Amounts Reclassified from Accumulated
Other Comprehensive Income:
Amortization of net actuarial
(gains) and losses		1		-		2		(1)		(1)		-
Amortization of net prior service costs		-		-		-		(1)		-		-
Curtailment		-		-		-		(1)		-		-
Curtailment		-		-		-		(5)		-		-
Total Net Defined Periodic Benefit Cost	$	-	$	(1)	$	1	$	3	$	13	$	14

Recognized Amounts In Other Comprehensive Income

	Pension Benefits						OPEB
For the years ended December 31		2017		2016		2015		2017		2016		2015
Net Actuarial (Gains) Losses	$	1	$	8	$	(22)	$	(8)	$	(14)	$	(24)
Amortization of Net Actuarial Gains and (Losses)		(1)		-		(2)		1		1		-
Amortization of Net Prior Service Costs		-		-		-		1		-		-
Curtailment		-		-		-		1		-		-
Total Amounts Recognized in Other
Comprehensive (Income) Loss, Before Tax	$	-	$	8	$	(24)	$	(5)	$	(13)	$	(24)
Total Amounts Recognized in Other
Comprehensive (Income) Loss, After Tax	$	-	$	6	$	(17)	$	(3)	$	(9)	$	(16)

Weighted Average Assumptions Used In Determining Net Periodic Pension And Other Post-Retirement Benefit Cost

	Pension Benefits			OPEB
For the years ended December 31	2017	2016	2015	2017	2016	2015
Discount Rate	3.50%	3.75%	3.75%	3.76%	4.05%	3.66%
Long-Term Rate of Return on Plan Assets	5.25%	6.25%	6.25%	-	-	-
Rates of Increase in Compensation Levels	3.49%	3.49%	3.99%	6.10%	6.43%	6.47%

Assumed Health Care Cost Trend Rates

For the years ended December 31	2017	2016	2015
Health Care Cost Trend Rate for Next Year	6.98%	7.30%	7.41%
Rate to Which the Cost Trend Rate is Assumed to Decline (Ultimate Trend Rate)	5.00%	5.00%	5.00%
Year that the Rate Reaches the Ultimate Trend Rate	2025	2026	2026

One Percent Change In Assumed Health Care Cost Trend Rate Over Projected Period

		1% Increase		1% Decrease
Effect on Total of Service and Interest Cost Components	$	1	$	(1)
Effect on Other Post-Retirement Benefit Obligations	$	6	$	(5)

Estimate Of Benefit Payments For The Next 10 Years

	Defined Benefit Pension Payments				Other Benefit Payments
2018		$	15	$	6
2019			15		7
2020			15		7
2021			14		7
2022			14		7
2023 - 2027			66		27

Schedule of Allocation of Plan Assets

As at December 31		2017
		Level 1		Level 2		Level 3		Total
Investments:
Cash and Cash Equivalents	$	27	$	1	$	-	$	28
Fixed Income - Canadian Bond Funds		-		67		-		67
Equity - Domestic		13		41		-		54
Equity - International		-		50		-		50
Real Estate and Other		-		-		11		11
Fair Value of Plan Assets, End of Year	$	40	$	159	$	11	$	210
As at December 31		2016
		Level 1		Level 2		Level 3		Total
Investments:
Cash and Cash Equivalents	$	27	$	1	$	-	$	28
Fixed Income - Canadian Bond Funds		-		61		-		61
Equity - Domestic		12		38		-		50
Equity - International		-		45		-		45
Real Estate and Other		-		-		10		10
Fair Value of Plan Assets, End of Year	$	39	$	145	$	10	$	194

Real Estate and Other Investments

	Real Estate and Other
As at December 31		2017		2016
Balance, Beginning of Year	$	10	$	10
Purchases, Sales and Settlements
Purchases and sales		-		-
Settlements		-		-
Actual Return on Plan Assets
Relating to assets sold during the reporting period		-		-
Relating to assets still held at the reporting date		1		-
Transfers In and Out of Level 3		-		-
Balance, End of Year	$	11	$	10