Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Schedule of Depreciation and Amortization on Property and Equipment over the Estimated Useful Lives

Depreciation and amortization on property and equipment is calculated using the straight-line method over the estimated useful lives indicated below:

Asset Category	Period
Computer equipment	5 years
Computer software and capitalized internal-use software	1.5 to 3 years
Office furniture and equipment	5 years
Buildings	25 to 40 years
Leasehold improvements	Lesser of estimated useful life or remaining lease term

Property and equipment, net, consisted of the following (in millions):

	December 31,
	2022		2023
Leasehold improvements	$	152	$	90
Computer software and capitalized internal-use software	164		51
Computer equipment	32		22
Buildings and land	17		17
Office furniture and equipment	23		8
Construction in progress	45		82
Total property and equipment, gross	433		270
Less: Accumulated depreciation and amortization	(312)		(110)
Total property and equipment, net	$	121	$	160