Goodwill and Intangibles (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets were:

	December 31,
	2021			2020
	(in millions)
Air rights contract		45			45
Other		8			8
Accumulated amortization		(9	)		(8	)
	$	44		$	45

Schedule of Estimated Future Amortization Expense for Intangible Assets

As of December 31, 2021, we estimated our future amortization expense for our intangible assets to be:

Year	(in millions)
2022	$	1
2023		1
2024		1
2025		1
2026		1
Thereafter		39
	$	44