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Revenue from Contracts with Customers - Summary of Disaggregation of Revenues by Major Revenue Streams (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Disaggregation of Revenue [Line Items]        
Total revenue $ 4,337 $ 4,701 $ 8,632 $ 9,766
Sale of Goods [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 3,588 3,989 7,141 8,284
Licensing Arrangements [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 48 41 85 105
Distribution [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 515 477 1,044 964
Other [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 186 194 362 413
International Markets [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 741 789 1,409 1,539
International Markets [Member] | Sale of Goods [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 526 573 994 1,092
International Markets [Member] | Licensing Arrangements [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 2 1 2 21
International Markets [Member] | Distribution [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 164 154 315 307
International Markets [Member] | Other [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 49 61 97 119
Other activities [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 342 321 657 663
Other activities [Member] | Sale of Goods [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 204 186 390 365
Other activities [Member] | Licensing Arrangements [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 1 2 3 4
Other activities [Member] | Other [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 137 133 264 294
North America [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 2,071 2,263 4,118 4,794
North America [Member] | Sale of Goods [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 1,686 1,913 3,324 4,081
North America [Member] | Licensing Arrangements [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 35 30 65 62
North America [Member] | Distribution [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 351 320 729 651
Europe [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 1,183 1,328 2,448 2,770
Europe [Member] | Sale of Goods [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 1,173 1,317 2,433 2,746
Europe [Member] | Licensing Arrangements [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 10 8 15 18
Europe [Member] | Distribution [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue [1] $ 3 [1] $ 6
Europe [Member] | Other [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue [1]    
[1] Represents an amount less than $1 million.