Property and Equipment, net

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property and equipment, net consisted of:


	As of December 31,
	2021		2020
Land	$	50	$	49
Buildings and leasehold improvements	525		592
Capitalized software	932		918
Furniture, fixtures and equipment	426		417
Projects in process	84		60
Buses and support vehicles	80		86
	2,097		2,122
Less: Accumulated depreciation and amortization	(1,560)		(1,465)
Property and equipment, net	$	537	$	657

Depreciation and amortization expense relating to property and equipment during 2021, 2020 and 2019 was $205 million, $218 million and $204 million, respectively (including $105 million, $113 million and $109 million, respectively, of amortization expense relating to capitalized software). At December 31, 2021, we had payables related to property and equipment included in accounts payable and other current liabilities and in other non-current liabilities of $20 million and $2 million, respectively. At December 31, 2020, we had payables related to property and equipment included in accounts payable and other current liabilities and in other non-current liabilities of $10 million and $3 million, respectively.