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Other Assets (Tables)
 12 Months Ended
Dec. 31, 2021
Other Assets, Noncurrent Disclosure [Abstract]  
Schedule of Other Assets
Other Assets consisted of the following (in millions):
 December 31,
2021		December 31,
2020
Payments to Joint Facility Partners and Service Providers$2,664 $568 
Investment in Unconsolidated Subsidiaries910 858 
Pension Asset947 520 
Other706 724 
      Total$5,227 $2,670