Commitments and Contingencies Environmental (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) site	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Accrual for Environmental Loss Contingencies [Roll Forward]
Number of sites the Company participates in environmental studies, cleanup or both | site	180
Environmental Issue
Accrual for Environmental Loss Contingencies [Roll Forward]
Beginning balance	$ 224	$ 236	$ 247
Accruals / changes in estimates	5	4	7
Payments	(16)	(16)	(18)
Ending balance	213	224	236
Accrued Environmental Loss Contingencies, Current	35	$ 35	$ 35
Environmental Issue | Minimum
Accrual for Environmental Loss Contingencies [Roll Forward]
Future costs to settle claims and associated liability	190
Environmental Issue | Maximum
Accrual for Environmental Loss Contingencies [Roll Forward]
Future costs to settle claims and associated liability	$ 245