INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Provisional estimate for transition tax	$ 29			$ 29		$ 33
AMT Credit Carryforwards	24			24
Charge related to sequestration reduction	1	$ 3		(1)
Unrecognized tax benefits	$ 64			$ 64		$ 68
Effective income tax rate from continuing operations	22.90%		37.50%	36.40%	36.90%
Tax benefit resulting from change in income tax rate	$ 2

Adjustment to Provisional Estimate of Tax Effects, Sequestration Reduction

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Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Transition Tax For Accumulated Foreign Earnings, Provisional Liability

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

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Amount of unrecognized tax benefits.

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