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Net Income (Loss) Attributable to Company Per Share - Computation of Weighted Average Basic and Diluted Shares Outstanding (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Numerator:
Net loss attributable to Company	$ (26)	$ (93)	$ (141)	$ (2,140)
Denominator:
Basic—weighted average common shares outstanding	386	385	386	384
Diluted outstanding shares	386	385	386	384
Basic	$ (0.07)	$ (0.24)	$ (0.37)	$ (5.57)
Diluted	$ (0.07)	$ (0.24)	$ (0.37)	(5.57)
Cash dividends per share				$ 0.05

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Aggregate dividends paid during the period for each share of common stock outstanding.

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