ACQUISITION OF BUSINESSES - Energy (Details) - Energy - Service And Swabbing Rig Assets Bundle - USD ($) $ in Millions		12 Months Ended
Nov. 05, 2017	Dec. 31, 2017
Disclosure of detailed information about business combination [line items]
Acquisition-related costs recognised as expense for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination	$ 1
Consideration transferred, acquisition-date fair value	$ 12
Proportion of ownership interest in subsidiary	40.00%
Percentage of voting equity interests acquired	73.00%
Gain recognised in bargain purchase transaction	$ 7
Revenue of acquiree since acquisition date		$ 3
Profit (loss) of acquiree since acquisition date		1
Revenue of acquiree as if combination occurred at beginning of period		13
Profit (loss) of acquiree as if combination occurred at beginning of period		$ 2

Profit (Loss) Of Acquirees As If Combination Occurred At Beginning Of Period

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Revenue Of Acquirees As If Combination Occurred At Beginning Of Period

+ References

No definition available.

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- Definition

The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]]

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The amount of acquisition-related costs recognised as an expense for transactions that are recognised separately from the acquisition of assets and the assumption of liabilities in business combinations. [Refer: Business combinations [member]]

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

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The amount of any gain recognised in a business combination in which the net of the identifiable assets acquired and the liabilities assumed exceeds the aggregate of the consideration transferred, non-controlling interest in the acquiree and fair value of the acquirer's previously held equity interest in the acquiree. [Refer: Business combinations [member]]

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The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

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The profit (loss) of the acquiree, since the acquisition date, included in the consolidated statement of comprehensive income. [Refer: Profit (loss)]

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The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

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The amount of revenue of the acquiree since the acquisition date included in the consolidated statement of comprehensive income. [Refer: Revenue]

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