Stock-Based Compensation - Summary of Share-Based Compensation Expense Income Tax Benefit Awards Issued Under Incentive Plans (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 7	$ 21	$ 23	$ 44
Income tax benefit	1	0	2	5
Restricted stock units - employees and non-employee directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	7	11	14	19
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	4	5	8	10
Performance share awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	3	4	8	10
Deferred performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ (7)	$ 1	$ (7)	$ 5