INTERIM CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (105)	$ 24
Other comprehensive income (loss):
Foreign currency translation adjustments	(17)	1
Derivative instrument adjustment, net of tax	(24)	(3)
OTHER COMPREHENSIVE LOSS, NET OF TAX	(41)	(2)
Net income attributable to noncontrolling interests	(1)	0
Other comprehensive income attributable to noncontrolling interests	0	0
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(1)	0
COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ (147)	$ 22

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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