Commitments and Contingencies Personal Injury (Details) - Personal Injury - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Loss Contingency Accrual [Roll Forward]
Beginning balance	$ 265	$ 264
Accruals / changes in estimates	9	26
Payments	(35)	(28)
Ending balance	239	262
Current portion of ending balance	85	$ 85
Minimum
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss	195
Maximum
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss	$ 310