Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Schedule of stock-based compensation expense

	Three months ended
	March 31,
	2020		2019
	amounts in millions
Operating expense	$	11	12
Selling, general and administrative expense		16	18
	$	27	30

Series A

Schedule of stock-based compensation activity

				Weighted
				average
				remaining	Aggregate
				contractual	intrinsic
	Series A	WAEP		life	value
	in thousands			in years	in millions
Outstanding at January 1, 2020	717	$	13.65
Granted	—	$	—
Exercised	—	$	—
Forfeited/Cancelled	(271)	$	14.11
Outstanding at March 31, 2020	446	$	13.38	5.0	$	—
Exercisable at March 31, 2020	295	$	16.54	4.1	$	—

Series B

Schedule of stock-based compensation activity

				Weighted
				average
				remaining	Aggregate
				contractual	intrinsic
	Series B	WAEP		life	value
	in thousands			in years	in millions
Outstanding at January 1, 2020	1,824	$	27.63
Granted	—	$	—
Exercised	—	$	—
Forfeited/Cancelled	—	$	—
Outstanding at March 31, 2020	1,824	$	27.63	4.8	$	—
Exercisable at March 31, 2020	1,824	$	27.63	4.8	$	—

Tripadvisor

Schedule of stock-based compensation activity

				Weighted
				average
	TripAdvisor			remaining	Aggregate
	stock			contractual	intrinsic
	options	WAEP		life	value
	in thousands			in years	in millions
Outstanding at January 1, 2020	6,017	$	50.27
Granted	1,046	$	25.73
Exercised	(1)	$	18.05
Cancelled or expired	(120)	$	45.35
Outstanding at March 31, 2020	6,942	$	46.67	6.1	$	—
Exercisable at March 31, 2020	3,808	$	55.99	4.1	$	—