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Income Taxes - Schedule of the Provision for Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Before Income Taxes And Income Tax Expense Benefit [Line Items]
In Israel	$ 107	$ 131	$ 96
Outside Israel	(385)	(326)	(2,029)
Effective consolidated income taxes	(278)	(195)	(1,933)
Current	885	700	373
Deferred	(1,163)	(895)	(2,306)
Income tax expense (benefit)	$ (278)	$ (195)	$ (1,933)

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Income before income taxes and income tax expense benefit.

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Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

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