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OTHER ASSETS (Tables)
6 Months Ended
Jun. 30, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Assets
Other assets as of June 30, 2022 and December 31, 2021 consisted of the following (in millions):

 As of June 30,
2022
As of December 31,
2021
Equity method investments$142 $517 
Other investments405 567 
Note receivable193 — 
Post-retirement plan assets43 50 
Other169 274 
Total other assets$952 $1,408