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Income Tax - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 20, 2019
Operating Loss Carryforwards [Line Items]
Netherlands statutory income taxes rate	25.00%	25.00%	25.00%
Effect of the tax benefits on basic earnings per share	$ 0.04	$ 0.14	$ 0.15
Maximum percentage of tax reduction from tax holidays	100.00%	100.00%	100.00%
Income tax holiday expiration date	Dec. 31, 2029
Legal inflationary index	(0.15%)
Deferred tax (expense) gain recorded as component of other comprehensive income (loss)	$ (11)	$ 6
Cumulative amount of distributable earnings	3,783			$ 3,628
Unrecognized tax benefits	19	21
Accrued interest and penalties related to uncertain tax positions			$ 1
Interest and penalties of unrecognized tax benefits	$ 7	6
Earliest Tax Year [Member]
Operating Loss Carryforwards [Line Items]
Open tax year	1997
Latest Tax Year [Member]
Operating Loss Carryforwards [Line Items]
Open tax year	2020
Maximum [Member]
Operating Loss Carryforwards [Line Items]
Accrued interest and penalties related to uncertain tax positions	$ 1	$ 1

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Maximum Percentage of Tax reduction from Tax holidays.

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Unrecognized tax benefits against existing net operating losses.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Per share amount effect of the income tax benefit resulting from the income tax holidays granted by taxing jurisdictions.

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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

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A segregation of retained earnings which is available for dividend distribution. Earnings not paid out as dividends but instead reinvested in the core business or used to pay off debt. Unappropriated profit is part of shareholder equity. Also called cumulative distributions or earned surplus or accumulated earnings or unappropriated profit.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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