v3.26.3
Revenue from contracts with customers - Summary of Disaggregation of Revenues by Major Revenue Streams (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Disaggregation of Revenue [Line Items]        
Revenues $ 4,395 $ 4,480 $ 12,519 $ 12,547
Sale of goods        
Disaggregation of Revenue [Line Items]        
Revenues 3,740 3,907 10,731 10,937
Licensing arrangements        
Disaggregation of Revenue [Line Items]        
Revenues 49 46 126 128
Distribution        
Disaggregation of Revenue [Line Items]        
Revenues 421 406 1,252 1,167
Other        
Disaggregation of Revenue [Line Items]        
Revenues 184 121 410 314
United States        
Disaggregation of Revenue [Line Items]        
Revenues 1,870 2,090 5,106 5,413
Europe        
Disaggregation of Revenue [Line Items]        
Revenues 1,319 1,235 3,922 3,726
International Markets        
Disaggregation of Revenue [Line Items]        
Revenues 592 557 1,666 1,634
Operating segments | United States        
Disaggregation of Revenue [Line Items]        
Revenues 1,870 2,090 5,106 5,413
Operating segments | United States | Sale of goods        
Disaggregation of Revenue [Line Items]        
Revenues 1,848 2,063 5,045 5,332
Operating segments | United States | Licensing arrangements        
Disaggregation of Revenue [Line Items]        
Revenues 22 27 61 78
Operating segments | United States | Distribution        
Disaggregation of Revenue [Line Items]        
Revenues 0 0 0 0
Operating segments | United States | Other        
Disaggregation of Revenue [Line Items]        
Revenues [1] [1] 1 3
Operating segments | Europe        
Disaggregation of Revenue [Line Items]        
Revenues 1,319 1,235 3,922 3,726
Operating segments | Europe | Sale of goods        
Disaggregation of Revenue [Line Items]        
Revenues 1,258 1,207 3,823 3,681
Operating segments | Europe | Licensing arrangements        
Disaggregation of Revenue [Line Items]        
Revenues 14 11 37 27
Operating segments | Europe | Distribution        
Disaggregation of Revenue [Line Items]        
Revenues [1] [1] 1 1
Operating segments | Europe | Other        
Disaggregation of Revenue [Line Items]        
Revenues 46 16 62 18
Operating segments | International Markets        
Disaggregation of Revenue [Line Items]        
Revenues 592 557 1,666 1,634
Operating segments | International Markets | Sale of goods        
Disaggregation of Revenue [Line Items]        
Revenues 521 512 1,523 1,535
Operating segments | International Markets | Licensing arrangements        
Disaggregation of Revenue [Line Items]        
Revenues 13 5 28 20
Operating segments | International Markets | Distribution        
Disaggregation of Revenue [Line Items]        
Revenues 20 14 59 36
Operating segments | International Markets | Other        
Disaggregation of Revenue [Line Items]        
Revenues 38 26 56 43
Other Activities        
Disaggregation of Revenue [Line Items]        
Revenues 613 598 1,824 1,774
Other Activities | Sale of goods        
Disaggregation of Revenue [Line Items]        
Revenues 113 125 340 389
Other Activities | Licensing arrangements        
Disaggregation of Revenue [Line Items]        
Revenues [1] 3 1 3
Other Activities | Distribution        
Disaggregation of Revenue [Line Items]        
Revenues 401 392 1,193 1,130
Other Activities | Other        
Disaggregation of Revenue [Line Items]        
Revenues $ 99 $ 78 $ 291 $ 251
[1] Represents an amount less than $0.5 million