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Other Assets (Tables)
 12 Months Ended
Dec. 31, 2023
Other Assets, Noncurrent Disclosure [Abstract]  
Schedule of Other Assets
Other Assets consisted of the following (in millions):
 December 31,
2023		December 31,
2022
Investment in Unconsolidated Subsidiaries$1,020 $976 
Pension Asset944 752 
Payments to Joint Facility Partners and Service Providers690 2,653 
Other515 489 
      Total$3,169 $4,870