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Contingencies and Commitments - Loss Contingencies (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Environmental Contingencies |  |
Liability recorded for projected environmental remediation costs | $ 10 |
Litigation [Member] |  |
Litigation Contingencies |  |
Aggregate reserves for claims deemed both probable and reasonably estimable | 26 | $ 22
Maximum [Member] | Litigation [Member] |  |
Environmental Contingencies |  |
Loss Contingency, Estimate of Possible Loss | 89 |
Maximum [Member] | Environmental Issue |  |
Environmental Contingencies |  |
Loss Contingency, Estimate of Possible Loss | 13 |
Maximum [Member] | Financial Standby Letter of Credit [Member] | Line of Credit |  |
Environmental Contingencies |  |
Loss Contingency, Estimate of Possible Loss | 64 |
Minimum [Member] | Litigation [Member] |  |
Environmental Contingencies |  |
Loss Contingency, Estimate of Possible Loss | 53 |
Minimum [Member] | Financial Standby Letter of Credit [Member] | Line of Credit |  |
Environmental Contingencies |  |
Loss Contingency, Estimate of Possible Loss | $ 59 |

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