OTHER LONG-TERM ASSETS - Other long term-assets (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Disclosure Other Long Term Assets [Abstract]
Contract asset	$ 422	$ 402
Restricted cash	19	45
Other	71	58
Other long-term assets, net	$ 512	$ 505

No definition available.

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- Definition

Miscellaneous Noncurrent Assets Other

+ References

No definition available.

+ Details

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- Definition

The amount of an entity’s right to consideration in exchange for goods or services that the entity has transferred to a customer, when that right is conditioned on something other than the passage of time (for example, the entity’s future performance).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2018-01-01
-Paragraph 105
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_105&doctype=Standard
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-Paragraph 116
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-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_116_a&doctype=Standard
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- Definition

The amount of non-current restricted cash and cash equivalents. [Refer: Restricted cash and cash equivalents]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard
-URIDate 2018-03-16

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- Definition

The amount of non-current assets that the entity does not separately disclose in the same statement or note. [Refer: Non-current assets]

+ References

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