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INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Tax Examination [Line Items]
Provision for income taxes	$ 84	$ 65	$ 144	$ 127
Effective Income Tax Rate Reconciliation, Income Tax Expense (Benefit) Resulting from Tax Reform	$ 10		$ 10
Effective Income Tax Rate Reconciliation, Percent	20.00%	18.00%	19.00%	18.00%
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount		$ 22		$ 22
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount				$ 22

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Effective Income Tax Rate Reconciliation, Income Tax Expense (Benefit) Resulting from Tax Reform

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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 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 tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.

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