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INCOME TAXES - NET OPERATING LOSSES AND TAX CREDIT CARRYFORWARDS (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Operating Loss Carryforwards [Line Items]
Valuation allowances	$ 164	$ 133
U.S. Federal [Member]
Operating Loss Carryforwards [Line Items]
NOLs	2,688
U.S. Federal [Member] | General business tax credits [Member]
Operating Loss Carryforwards [Line Items]
Tax credits	417
U.S. Federal [Member] | Foreign tax credits [Member]
Operating Loss Carryforwards [Line Items]
Tax credits	624
Valuation allowances	109	83
U.S. state [Member]
Operating Loss Carryforwards [Line Items]
NOLs	1,942
U.S. state [Member] | General business tax credits [Member]
Operating Loss Carryforwards [Line Items]
Tax credits	82
U.S. state [Member] | Deferred Tax Assets, Operating Loss and Tax Credit Carryforwards [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowances	35	30
Non-U.S. [Member]
Operating Loss Carryforwards [Line Items]
NOLs	264
Non-U.S. [Member] | Deferred Tax Assets, Operating Loss Carryforwards [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowances	$ 20	$ 20

X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

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