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, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Total revenue	$ 4,142	$ 4,176	$ 8,124	$ 8,067
Sale of Goods [Member]
Disaggregation of Revenue [Line Items]
Total revenue	3,602	3,636	6,991	7,031
Licensing Arrangements [Member]
Disaggregation of Revenue [Line Items]
Total revenue	37	46	77	82
Distribution [Member]
Disaggregation of Revenue [Line Items]
Total revenue	433	377	830	760
Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue	70	117	226	194
International Markets [Member]
Disaggregation of Revenue [Line Items]
Total revenue	550	495	1,074	1,077
International Markets [Member] \| Sale of Goods [Member]
Disaggregation of Revenue [Line Items]
Total revenue	527	469	1,003	1,023
International Markets [Member] \| Licensing Arrangements [Member]
Disaggregation of Revenue [Line Items]
Total revenue	7	9	15	16
International Markets [Member] \| Distribution [Member]
Disaggregation of Revenue [Line Items]
Total revenue	20	12	38	22
International Markets [Member] \| Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue	(3)	5	18	17
Other Activities [Member]
Disaggregation of Revenue [Line Items]
Total revenue	627	597	1,211	1,176
Other Activities [Member] \| Sale of Goods [Member]
Disaggregation of Revenue [Line Items]
Total revenue	118	136	227	265
Other Activities [Member] \| Licensing Arrangements [Member]
Disaggregation of Revenue [Line Items]
Total revenue		(1)
Other Activities [Member] \| Distribution [Member]
Disaggregation of Revenue [Line Items]
Total revenue	413	365	792	738
Other Activities [Member] \| Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue	95	98	192	173
United States [Member]
Disaggregation of Revenue [Line Items]
Total revenue	1,702	1,786	3,236	3,322
United States [Member] \| Sale of Goods [Member]
Disaggregation of Revenue [Line Items]
Total revenue	1,704	1,755	3,197	3,270
United States [Member] \| Licensing Arrangements [Member]
Disaggregation of Revenue [Line Items]
Total revenue	17	29	39	50
United States [Member] \| Distribution [Member]
Disaggregation of Revenue [Line Items]
Total revenue	0	0	0	0
United States [Member] \| Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue	(19)	2	1	2
Europe [Member]
Disaggregation of Revenue [Line Items]
Total revenue	1,263	1,298	2,603	2,492
Europe [Member] \| Sale of Goods [Member]
Disaggregation of Revenue [Line Items]
Total revenue	1,253	1,275	2,565	2,473
Europe [Member] \| Licensing Arrangements [Member]
Disaggregation of Revenue [Line Items]
Total revenue	13	9	23	16
Europe [Member] \| Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue	$ (3)	$ 13	$ 15	$ 2