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FINANCIAL ASSETS (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Current    
Marketable securities $ 1,262 $ 995
Restricted cash 224 833
Derivative contracts 179 167
Loans and notes receivable 211 195
Other financial assets 138 385
Total current 2,014 2,575
Non-current    
Marketable securities 3,601 3,535
Restricted cash 297 272
Derivative contracts 123 110
Loans and notes receivable 936 1,002
Other financial assets 1,579 1,302
Total non-current $ 6,536 $ 6,221