Commitments And Contingencies Environmental Matters (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Environmental Exit Cost [Line Items]
Accrual for Environmental Loss Contingencies	$ 4	$ 2
Accrued Environmental Loss Contingencies, Noncurrent	$ 3	$ 1

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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