Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net income (loss) attributable to stockholders, net of earnings allocated to participating securities		$ 150	$ (116)	$ 93	$ (306)
Denominator:
Weighted average shares outstanding – basic		228,000,000	236,000,000	232,000,000	235,000,000
Unvested restricted shares		0	0	0	1
Weighted average shares outstanding – diluted		228,000,000	236,000,000	232,000,000	236,000,000
Earnings (loss) per share - Basic	[1]	$ 0.66	$ (0.49)	$ 0.40	$ (1.30)
Earnings (loss) per share - Diluted	[1]	$ 0.66	$ (0.49)	$ 0.40	$ (1.30)

[1] Per share amounts are calculated based on unrounded numbers and are calculated independently for each period presented.