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Accumulated Other Comprehensive Loss - Schedule of Net Income Amounts Reclassified from AOCL (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Sales $ 32,647 $ 39,431
Cost of sales 28,207 34,022
Income tax 329 591
Net of tax 757 1,765
Reclassification out of Accumulated Other Comprehensive Income [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Total loss reclassified to net income (46) (12)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net (Loss) Gain from Designated or Qualifying Cash Flow Hedges [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Sales (30) (38)
Cost of sales (21) 33
Income tax 13 1
Net of tax (38) (4)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Unrealized Loss On Other Long Term Liabilities [Member]    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Cost of sales (9) (9)
Income tax 1 1
Net of tax $ (8) $ (8)