Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property Plant And Equipment [Abstract]

Schedule of Property and Equipment and Related Depreciation Expenses

Property and equipment were as follows:

	December 31,
($ in millions)	2020			2019
Land	$	109		$	154
Buildings and leasehold improvements		250			286
Furniture and equipment		65			65
Construction in progress		208			383
		632			888
Accumulated depreciation		(131	)		(110	)
	$	501		$	778