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INTANGIBLE ASSETS - Accumulated Amortization (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Disclosure of detailed information about intangible assets [line items]    
Cost at beginning of the year $ 14,214  
Cost at end of year 13,524 $ 14,214
Accumulated amortization    
Disclosure of detailed information about intangible assets [line items]    
Cost at beginning of the year (1,571) (1,466)
Assets held by subsidiaries disposed during the period 0 281
Non-cash additions, net of disposals 1 26
Assets reclassified as held for sale 211 0
Amortization (301) (514)
Disposals (3) 0
Foreign currency translation (8) 102
Cost at end of year $ (1,671) $ (1,571)