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Property, Plant and Equipment (Summary of Property and Equipment, net) (Parenthetical) (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Property Plant And Equipment [Line Items] |  |  |
Other property and equipment, net | [1] | $ 1,795 | $ 1,503
CDM [Member] |  |  |
Property Plant And Equipment [Line Items] |  |  |
Other property and equipment, net |  | $ 164 | $ 136
[1] | $164 million and $136 million related to CDM in 2024 and 2023, respectively.

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A + Details
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