Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Additional Information (Detail)

v3.20.4
INCOME TAXES - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Taxes [Line Items]            
Effective income tax rate       27.20% 21.40% 20.40%
Loss on mark to market of defined benefit plan, tax benefit $ 1,600 $ 571 $ 390      
Loss on mark to market of defined benefit plan 6,500 2,400 1,600      
Transformation cost       $ 348 $ 255 $ 360
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Restructuring Charges, Amount       83 59 87
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount       57    
Legal contingencies   97     97  
Benefit related to legal expenses   6     6  
Operating lease carryforward   68     68  
Tax benefit from share-based compensation       $ 28   $ 38
Reduction of effective tax rate due to share-based compensation benefits       1.50%   0.60%
Deferred tax expense       $ (858) 100 $ 758
Income tax benefit       (501) (1,212) (1,228)
Income tax holiday, decrease of non-U.S. tax expense       $ 35 $ 27 $ 27
Income tax holiday, per share impact (usd per share)       $ 0.04 $ 0.03 $ 0.03
Change in valuation allowance       $ 34 $ 58 $ 14
Non-U.S. loss carryforwards 716     716    
Undistributed earnings of foreign subsidiaries 5,600     5,600    
Indefinitely reinvested undistributed earnings of foreign subsidiaries 1,400     1,400    
Gross unrecognized tax benefits that would impact effective tax rate, if recognized 332 $ 171 $ 165 332 $ 171 $ 165
Federal            
Income Taxes [Line Items]            
Operating loss carryforwards 38     38    
Operating loss carryforwards subject to expiration $ 15     $ 15