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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Summary of Changes in AOCI by Component (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Beginning of year $ 9,121 $ 8,726 $ 7,912
Other comprehensive income (loss) before reclassifications (528) (156)  
Amounts reclassified from AOCI 75 90  
Net other comprehensive income (loss) (453) (66) 396
End of year 5,895 9,121 8,726
CTA      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Beginning of year (2,907) (2,587)  
Other comprehensive income (loss) before reclassifications (544) (320)  
Amounts reclassified from AOCI 65 0  
Net other comprehensive income (loss) (479) (320)  
End of year (3,386) (2,907) (2,587)
Pension and OPEB plans      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Beginning of year (347) (574)  
Other comprehensive income (loss) before reclassifications (9) 160  
Amounts reclassified from AOCI 25 67  
Net other comprehensive income (loss) 16 227  
End of year (331) (347) (574)
Hedging activities      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Beginning of year (126) (153)  
Other comprehensive income (loss) before reclassifications 22 4  
Amounts reclassified from AOCI (15) 23  
Net other comprehensive income (loss) 7 27  
End of year (119) (126) (153)
Available-for-sale debt securities      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Beginning of year 0    
Other comprehensive income (loss) before reclassifications 3    
Amounts reclassified from AOCI 0    
Net other comprehensive income (loss) 3    
End of year 3 0  
Accumulated Other Comprehensive Income (Loss)      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Beginning of year (3,380) (3,314)  
End of year $ (3,833) $ (3,380) $ (3,314)