Goodwill and Intangibles (Tables)

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets were:

	December 31,
	2022			2021
	(in millions)
Air rights contract		45			45
Other		7			8
Accumulated amortization		(9	)		(9	)
	$	43		$	44

Schedule of Estimated Future Amortization Expense for Intangible Assets

As of December 31, 2022, we estimated our future amortization expense for our intangible assets to be:

Year	(in millions)
2023	$	1
2024		1
2025		1
2026		1
2027		1
Thereafter		38
	$	43