Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2022

Schedule of stock-based compensation expense

	Three months ended			Six months ended
	June 30,			June 30,
	2022		2021	2022	2021
	amounts in millions
Operating expense	$	10	13	19	25
Selling, general and administrative expense		13	20	26	38
	$	23	33	45	63

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, 2022	1,129	$	7.20
Granted	—	$	—
Exercised	—	$	—
Forfeited/Cancelled	—	$	—
Outstanding at June 30, 2022	1,129	$	7.20	4.6	$	—
Exercisable at June 30, 2022	512	$	10.47	3.7	$	—

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, 2022	2,397	$	21.93
Granted	—	$	—
Exercised	—	$	—
Forfeited/Cancelled	—	$	—
Outstanding at June 30, 2022	2,397	$	21.93	3.2	$	3
Exercisable at June 30, 2022	2,397	$	21.93	3.2	$	3

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, 2022	5,671	$	47.03
Granted	45	$	25.84
Exercised	(7)	$	24.32
Cancelled or expired	(906)	$	44.53
Outstanding at June 30, 2022	4,803	$	47.34	5.0	$	—
Exercisable at June 30, 2022	3,476	$	51.47	4.0	$	—