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Capital structure and financing - C.3.3. Interest and other financial expenses (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017		Dec. 31, 2016
Interest and other financial expenses:
Interest expense on bonds and bank financing	$ (234)	$ (246)		$ (262)
Interest expense on finance leases	(92)	(65)		(48)
Early redemption charges	(4)	(43)		(25)
Others	(41)	(41)		(36)
Total interest and other financial expenses	$ 371	$ 396	[1]	$ 372	[1]
[1] Re-presented for discontinued operations (shown in note A.4.). Not restated for the application of IFRS 15 and 9, as the Group elected the modified retrospective approach for both standards.

X

- Definition

The amount of costs associated with financing activities of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X

- Definition

The amount of interest expense on borrowings. [Refer: Interest expense; Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of interest expense on finance leases. [Refer: Interest expense]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2019-01-01
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X

- Definition

The amount of finance costs that the entity does not separately disclose in the same statement or note. [Refer: Finance costs]

+ References

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- Definition

Early Redemption Fees

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No definition available.

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- Definition

Interest And Other Financial Expenses [Abstract]

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