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Investments In and Advances To Affiliates (Tables)
9 Months Ended
Sep. 30, 2020
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]  
Investments In and Advances to Affiliates Financial Information The following table summarizes financial information of the Company’s 50%-or-less-owned affiliates and majority-owned unconsolidated subsidiaries that are accounted for using the equity method (in millions):
 50%-or-Less-Owned AffiliatesMajority-Owned Unconsolidated Subsidiaries
Nine Months Ended September 30,2020201920202019
Revenue$1,404 $807 $$12 
Operating margin (loss)203 87 (2)(2)
Net loss(444)(65)(3)(7)