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Financial and other non-current assets (Details 2) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Disclosure of other non-current assets [abstract]
Deferred compensation plans assets	$ 471	$ 414
Prepaid post-employment benefit plans assets	202	148
Other non-current assets	219	176
Total other non-current assets	$ 892	$ 738

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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

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

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

+ References

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

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- References

No definition available.

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