Stock-Based Compensation - Share-Based Compensation Expense Income Tax Benefit Awards Issued Under Incentive Plans (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 13	$ 14	$ 43	$ 43
Income tax benefit	4	0	21	0
Restricted stock units - employees and non-employee directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	12	11	36	32
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	0	3	0	6
Performance share awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 1	$ 0	$ 7	$ 5