Geographic Information - Revenues and Long-lived Assets by Geographical Area (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Segment Reporting Information [Line Items]
Revenues	$ 1,393	$ 1,381	$ 2,774	$ 2,455
Property and equipment, net	9,717		9,717		$ 9,748
United States
Segment Reporting Information [Line Items]
Revenues	1,367	1,362	2,729	2,428
Property and equipment, net	9,645		9,645		9,678
Brazil
Segment Reporting Information [Line Items]
Revenues	5	3	11	7
Property and equipment, net	37		37		33
Canada
Segment Reporting Information [Line Items]
Revenues	21	$ 16	34	$ 20
Property and equipment, net	$ 35		$ 35		$ 37