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Subsequent events to December 31, 2017 - Syndicated Loan (Details) - Syndicated Loan - Entering into significant commitments or contingent liabilities - USD ($) $ in Millions	Feb. 09, 2018	Jan. 31, 2018
Syndicated Loan
Maximum borrowing capacity		$ 1,000
Interest rate basis		LIBOR
Borrowing term		12 months
Proceeds from loan	$ 650
Minimum
Syndicated Loan
Applicable margin		1.25%
Maximum
Syndicated Loan
Applicable margin		2.25%
Debt issuance, debt term triggering repayment		3 years
Debt covenant, new debt issued that would trigger repayment		$ 500

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- Definition

The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2017-01-01
-Paragraph 7
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The basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The cash inflow from current borrowings obtained. [Refer: Current borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-IssueDate 2017-01-01
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Under terms of the debt covenant, term of new debt issuance that triggers repayment in full of outstanding loan.

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Under terms of debt covenant, the amount of new debt issued that would trigger full repayment of outstanding loan.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

+ References

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 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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