Employee Benefits - Schedule of Other Information Related to Company's Other Post-Retirement Plans (Details) - Other Post-Retirement Benefits - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net periodic benefit cost recognized (millions)	$ 3	$ 4	$ 4
Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate used to determine future benefit obligations	4.89%	4.68%	4.65%
Weighted-average discount rate used to determine net periodic benefit costs	4.37%	4.64%	4.92%
Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate used to determine future benefit obligations	5.43%	5.59%	4.87%
Weighted-average discount rate used to determine net periodic benefit costs	5.28%	4.76%	5.17%