DEBT - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019
Derivative Instrument Adjustments
Beginning balance			$ 3,461
Ending balance	$ 3,112
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent
Derivative Instrument Adjustments
Beginning balance	(22)	$ (9)	(6)
Other comprehensive loss before reclassifications	(4)	(13)	(3)
Reclassification to Income Statement	0	0	0
Net other comprehensive loss	(4)	(13)	(3)
Ending balance	$ (26)	$ (22)	$ (9)

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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