Goodwill - Narrative (Details) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2024 USD ($) segment	Dec. 31, 2024 USD ($) segment	Dec. 31, 2023 USD ($)
Goodwill [Line Items]
Number of reportable segments | segment	3	3
Loss on impairments		$ 72	$ 327
Pre-tax discount rate	9.10%	9.10%
Accumulated impairment	$ 1,050	$ 1,050	1,001
International Solutions
Goodwill [Line Items]
Loss on impairments		72	$ 295
Present value	$ 252	$ 252