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GENERAL INFORMATION - Narrative (Details) - USD ($) $ / shares in Units, $ in Billions	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 06, 2010
Disclosure of general information about financial statements [Abstract]
Number of shares authorised (in shares)	3,500,000,000.0	3,500,000,000.0	3,500,000,000.0
Par value per share (in dollars per share)	$ 1.00	$ 1.00	$ 1.00
Number of shares issued (in shares)	2,004,743,442	2,004,743,442	2,004,743,442
Difference between historical carrying amounts of assets and value at which assets were contributed				$ 4.0
Tax reserve	$ 6.7	$ 6.9

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- Definition

The number of shares authorised.

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The number of shares issued by the entity.

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Disclosure of general information about financial statements [Abstract]

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