Stock-Based Compensation - Summary of Share-Based Compensation Expense Income Tax Benefit Awards Issued Under Incentive Plans (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 14	$ 21	$ 43	$ 44
Income tax benefit	0	0	0	2
Restricted stock units - employees and non-employee directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	11	14	32	28
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	3	3	6	11
Performance share awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	0	4	5	12
Deferred performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 0	$ 0	$ 0	$ (7)