Stock-Based Compensation - Compensation Expense (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 42	$ 36	$ 27
Unrecognized compensation expense	39
Performance based share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	11	9	7
Unrecognized compensation expense	15
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	31	27	20
Unrecognized compensation expense	24
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	0	$ 0	$ 0
Unrecognized compensation expense	$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details