Property, Plant and Equipment (Summary of Property and Equipment, net) (Parenthetical) (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
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|---|---|---|---|---|
| Property Plant And Equipment [Line Items] | ||||
| Other property and equipment, net | [1] | $ 1,687 | $ 1,813 | |
| CDM [Member] | ||||
| Property Plant And Equipment [Line Items] | ||||
| Other property and equipment, net | $ 203 | $ 178 | ||
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