Number Of Commercial Paper Programs

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- Definition

Number Of Credit Facilities

+ References

No definition available.

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Reflects the calculation as of the balance sheet date of the average interest rate weighted by the average outstanding amount of short-term debt outstanding by type or by instrument at that time.

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

+ References

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.

+ References

No definition available.

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Debt (Details) CAD in Millions	3 Months Ended		6 Months Ended
Debt (Details) CAD in Millions	Jun. 30, 2017 USD ($) credit_facility	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) credit_facility program	Jun. 30, 2016 USD ($)	Jun. 30, 2017 CAD credit_facility	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Short-term debt and current portion of long-term debt	$ 292,000,000		$ 292,000,000			$ 336,000,000
Number of credit facilities \| credit_facility	1		1		1
Number of commercial paper programs \| program			2
Commercial paper
Debt Instrument [Line Items]
Total debt	$ 0		$ 0			$ 329,000,000
Weighted average commercial paper outstanding	$ 318,000,000	$ 304,000,000	$ 342,000,000	$ 240,000,000
Weighted-average interest rates (as a percent)	0.26%	0.59%	0.18%	0.41%
4.76% Senior Notes Due March 2018 \| Senior Notes
Debt Instrument [Line Items]
Short-term debt and current portion of long-term debt	$ 283,000,000		$ 283,000,000		CAD 375
Debt interest rate percentage (as a percent)	4.76%		4.76%		4.76%
Credit Facility Expiring February 2021
Debt Instrument [Line Items]
Long-term line of credit	$ 0		$ 0
Foreign Line of Credit \| 2020 Facility \| Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	900,000,000		900,000,000
Credit Facility Expiring March 2017 \| Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	400,000,000		400,000,000
Commercial paper \| Commercial Paper Programs
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	1,300,000,000		1,300,000,000
Line of credit facility, current borrowing capacity	$ 900,000,000		$ 900,000,000