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INCOME TAXES - Tax losses year of expiration (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Income taxes    
Recognized losses $ (189) $ (279)
Recognized DTA 53 76
Non-recognized losses (9,260) (9,212)
Non-recognized DTA 1,927 1,911
Recognized credits (75) (121)
Recognized DTA 75 121
Non-recognized credits (567) (492)
Non-recognized DTA 137 115
0-5 years    
Income taxes    
Recognized losses (15) 0
Recognized DTA 3 0
Non-recognized losses 0 (1,546)
Non-recognized DTA 0 387
Recognized credits (2) (19)
Recognized DTA 2 19
Non-recognized credits 0 0
Non-recognized DTA 0 0
6-10 years    
Income taxes    
Recognized losses 0 (107)
Recognized DTA 0 27
Non-recognized losses 0 (1,006)
Non-recognized DTA 0 252
Recognized credits (73) (102)
Recognized DTA 73 102
Non-recognized credits 0 0
Non-recognized DTA 0 0
More than 10 years    
Income taxes    
Recognized losses 0 0
Recognized DTA 0 0
Non-recognized losses (707) 0
Non-recognized DTA 131 0
Recognized credits 0 0
Recognized DTA 0 0
Non-recognized credits 0 0
Non-recognized DTA 0 0
Indefinite    
Income taxes    
Recognized losses (174) (172)
Recognized DTA 50 49
Non-recognized losses (8,553) (6,660)
Non-recognized DTA 1,796 1,272
Recognized credits 0 0
Recognized DTA 0 0
Non-recognized credits (567) (492)
Non-recognized DTA $ 137 $ 115