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SIGNIFICANT ACCOUNTING POLICIES - New Accounting Pronouncements and Investments (Details) - USD ($)
$ in Millions
 12 Months Ended
Jan. 01, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Net income (loss)   $ 1,785 $ (439) $ (648)
Retained earnings (accumulated deficit)   (9,924) (8,880)  
Accumulated other comprehensive income (loss)   $ 8,834 (2,004)  
Interest rate assumption percentage   2.25%    
Revision of Prior Period, Change in Accounting Principle, Adjustment        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Equity decrease $ 3,300   1,100  
Net income (loss)     2,200  
As Previously Reported        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Net income (loss)     $ (440)