Employee Benefit Plans - Changes in Fair Value of Pension Plan Level 3 Assets (Details) - Insurance Contracts - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Beginning balance	$ 2	$ 8
Purchases, sales and settlements, net	0	(6)
Ending balance	$ 2	$ 2