Components of Income before Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes [Abstract]
Domestic	$ 953	$ 540	$ (57)
Foreign	78	174	194
Income from continuing operations before income taxes	$ 1,031	$ 714	$ 137

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

+ References

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- Definition

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

+ References

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- References

No definition available.

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