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Segment and Geographic Information - Summary of Segment Information (Details) - USD ($)
$ in Millions

3 Months Ended

12 Months Ended

Dec. 31, 2019

Sep. 30, 2019

Jun. 30, 2019

Mar. 31, 2019

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2019

Dec. 31, 2018

Dec. 31, 2017

Segment Reporting Information [Line Items]

Revenue (Note 4)

$ 335

$ 428

$ 422

$ 376

$ 346

$ 458

$ 433

$ 378

$ 1,560

^[1]

$ 1,615

^[1]

$ 1,556

Adjusted EBITDA

438

422

331

Depreciation

(93)

(82)

(79)

Amortization of intangible assets

(33)

(34)

(32)

Stock-based compensation

(124)

(118)

(96)

Restructuring and other related reorganization costs

(1)

Legal reserves and settlements

(5)

Operating income

23

68

66

31

23

89

49

23

187

183

124

Other income (expense), net

7

(10)

(14)

Income before income taxes

194

173

110

Provision for income taxes

(68)

(60)

(129)

^[2]

Net income (loss)

$ 15

$ 50

$ 34

$ 26

$ 7

$ 69

$ 32

$ 5

126

113

(19)

Hotels, Media & Platform

Segment Reporting Information [Line Items]

Revenue (Note 4)

^[1]

939

1,001

Experiences & Dining Segment

Segment Reporting Information [Line Items]

Revenue (Note 4)

^[1]

456

372

Other

Segment Reporting Information [Line Items]

Revenue (Note 4)

^[3]

165

242

270

Adjusted EBITDA

^[3]

55

45

41

Reportable Segments | Hotels, Media & Platform

Segment Reporting Information [Line Items]

Revenue (Note 4)

^[4]

939

1,001

1,022

Adjusted EBITDA

^[4]

378

329

267

Reportable Segments | Experiences & Dining Segment

Segment Reporting Information [Line Items]

Revenue (Note 4)

456

372

264

Adjusted EBITDA

5

48

23

Corporate and Unallocated

Segment Reporting Information [Line Items]

Depreciation

(93)

(82)

(79)

Amortization of intangible assets

(33)

(34)

(32)

Stock-based compensation

(124)

(118)

$ (96)

Restructuring and other related reorganization costs

$ (1)

Legal reserves and settlements

$ (5)

[1]	Our revenue is recognized primarily at a point in time for all reported segments
[2]	The year ended December 31, 2017 reflects $67 million of Transition Tax and $6 million of tax expense recorded due to the remeasurement of net deferred tax assets related to the 2017 Tax Act enacted on December 22, 2017. Refer to “Note 11: Income Taxes” for further information.
[3]	Other consists of the combination of our Rentals, Flights/Cruises/Car, SmarterTravel and Tripadvisor China business units and does not constitute a reportable segment.
[4]	Includes allocated corporate general and administrative costs of $69 million, $77 million and $76 million and Tripadvisor-branded advertising expenses (primarily television advertising) of $77 million, $122 million and $82 million for the years ended December 31, 2019, 2018 and 2017, respectively.

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