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Property and Equipment, Net - Components of Property and Equipment, Net (Details) - USD ($)
$ in Millions

Dec. 31, 2019

Dec. 31, 2018

Property Plant And Equipment [Line Items]

Property and equipment, gross

$ 589

$ 493

Less: accumulated depreciation

(319)

(240)

Total

270

253

^[1]

Capitalized Software and Website Development

Property Plant And Equipment [Line Items]

Property and equipment, gross

335

259

Total

115

99

Building

Property Plant And Equipment [Line Items]

Property and equipment, gross

^[2]

123

Finance Lease Right-of-Use Asset

Property Plant And Equipment [Line Items]

Property and equipment, gross

^[2]

114

Leasehold Improvements

Property Plant And Equipment [Line Items]

Property and equipment, gross

49

41

Computer Equipment and Purchased Software

Property Plant And Equipment [Line Items]

Property and equipment, gross

70

52

Furniture, Office Equipment and Other

Property Plant And Equipment [Line Items]

Property and equipment, gross

$ 21

$ 18

[1]	Refer to the below discussion regarding the transition accounting for operating and finance leases upon adoption of ASC 842.
[2]	Refer to “Note 2: Significant Accounting Policies,” regarding the transition accounting related to our adoption of ASC 842 and the subsequent accounting for our Headquarter Lease.

X

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