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Property, Plant and Equipment (Summary of Property and Equipment, net) (Parenthetical) (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Property Plant And Equipment [Line Items] |  |  |
Other property and equipment, net | [1] | $ 1,508 | $ 1,472
CDM [Member] |  |  |
Property Plant And Equipment [Line Items] |  |  |
Other property and equipment, net |  | $ 119 | $ 111
[1] | (1) $119 million and $111 million related to CDM in 2022 and 2021, 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 No definition available. + Details
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- Definition Amount after depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. + References No definition available. + Details
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- Details
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