	December 25,			December 26,
(In millions)	2021			2020
Land	$	45		$	45
Buildings		200			210
Computer software		693			659
Leasehold improvements		587			598
Furniture, fixtures and equipment		775			784
Construction in progress		12			22
		2,312			2,318
Less accumulated depreciation		(1,835	)		(1,776	)
Total	$	477		$	542

The above table of property and equipment includes assets held under finance leases as follows:

	December 25,			December 26,
(In millions)	2021			2020
Buildings	$	19		$	34
Furniture, fixtures and equipment		143			147
		162			181
Less accumulated depreciation		(123	)		(122	)
Total	$	39		$	59

Depreciation expense was $88 million in 2021, $101 million in 2020 and $110 million in 2019.

Included in computer software and construction in progress above are capitalized software costs of $699 million and $671 million at December 25, 2021 and December 26, 2020, respectively. The unamortized amounts of the capitalized software costs are $115 million and $121 million at December 25, 2021 and December 26, 2020, respectively. Amortization of capitalized software costs totaled $49 million, $50 million and $49 million in 2021, 2020 and 2019, respectively. Software development costs that do not meet the criteria for capitalization are expensed as incurred.

Estimated future amortization expense related to capitalized software at December 25, 2021 is as follows:

(In millions)
2022	$	38
2023		31
2024		23
2025		16
2026		7
Thereafter		—

The weighted average remaining amortization period for capitalized software is 4 years.