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Commitments and Contingencies (Environmental) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Site Contingency [Line Items]
Accruals for environmental remediation, dismantling, and decontamination	$ 10	$ 11
Former TEL Plant Site Louisiana And Houston Texas Plant Site [Member]
Site Contingency [Line Items]
Accruals for environmental remediation, dismantling, and decontamination	7	8
Accruals for environmental remediation, dismantling, and decontamination, undiscounted	$ 9	$ 10
Minimum [Member] | Former TEL Plant Site Louisiana And Houston Texas Plant Site [Member]
Site Contingency [Line Items]
Discount rate	3.00%	3.00%
Maximum [Member] | Former TEL Plant Site Louisiana And Houston Texas Plant Site [Member]
Site Contingency [Line Items]
Discount rate	9.00%	9.00%

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- Definition

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

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