XML 91 R62.htm IDEA: XBRL DOCUMENT v3.20.4
INTANGIBLE ASSETS - Net Amounts (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of detailed information about intangible assets [line items]      
Net intangible assets $ 2,948 $ 3,936  
Cost      
Disclosure of detailed information about intangible assets [line items]      
Net intangible assets 3,527 4,479 $ 4,631
Accumulated amortization      
Disclosure of detailed information about intangible assets [line items]      
Net intangible assets $ (579) $ (543) $ (364)