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Details of Cash From Operating Activities - Details of Items Not Involving Current Cash Flows (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Statement of Cash Flows [Abstract]    
Depreciation and amortization $ 1,345 $ 1,278
Amortization of other assets included in cost of goods sold 257 172
Impairment charges 727 74
Other non-cash charges 89 7
Deferred income taxes 7 31
Dividends received in excess of equity income 69 33
Non-cash portion of Other expense, net (518) (56)
Items not involving current cash flows $ 1,976 $ 1,539