Goodwill and Intangible Assets, Net - Components of Intangible Assets with Definite Lives (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Finite Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	2 years 6 months
Gross Carrying Amount	$ 195	$ 221
Accumulated Amortization	(189)	(208)
Intangible assets with definite lives, net	6	13
Trade Names and Trademarks
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	44	48
Accumulated Amortization	(44)	(45)
Intangible assets with definite lives, net	$ 0	3
Customer Lists and Supplier Relationships
Finite Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	2 years 10 months 24 days
Gross Carrying Amount	$ 89	97
Accumulated Amortization	(84)	(90)
Intangible assets with definite lives, net	5	7
Subscriber Relationships
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	22	34
Accumulated Amortization	(22)	(33)
Intangible assets with definite lives, net	$ 0	1
Technology and Other
Finite Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	10 months 24 days
Gross Carrying Amount	$ 40	42
Accumulated Amortization	(39)	(40)
Intangible assets with definite lives, net	$ 1	$ 2