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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, 2019 | Dec. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Sales | $ 39,431 | $ 40,827
Cost of sales | 34,022 | 35,055
Income tax | 591 | 619
Net of tax | 1,765 | 2,296
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Total loss reclassified to net income | (12) | (5)
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 | (38) | (6)
Cost of sales | 33 | 7
Income tax | 1 |
Net of tax | (4) | 1
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) | (7)
Income tax | 1 | 1
Net of tax | $ (8) | $ (6)

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