Segment Information - Schedule of Operating Profit by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
Net sales	$ 5,131	$ 5,033	$ 15,152	$ 15,156
Cost of sales	2,082	1,959	6,047	5,977
Selling, general and administrative expenses	1,971	1,979	5,833	5,833
Operating profit (loss)	1,059	1,065	3,214	3,205
Operating Segments | Oral, Personal and Home Care
Segment Reporting Information [Line Items]
Net sales	3,989	3,907	11,735	11,814
Operating profit (loss)	992	1,016	2,961	3,119
Operating Segments | Pet Nutrition
Segment Reporting Information [Line Items]
Net sales	1,142	1,126	3,417	3,342
Cost of sales	457	463	1,356	1,404
Selling, general and administrative expenses	427	406	1,280	1,239
Other (income) expense, net	2	(1)	4	9
Operating profit (loss)	255	258	778	691
Operating Segments | North America | Oral, Personal and Home Care
Segment Reporting Information [Line Items]
Net sales	999	1,004	3,024	3,076
Cost of sales	398	381	1,178	1,166
Selling, general and administrative expenses	401	409	1,233	1,254
Other (income) expense, net	10	8	33	23
Operating profit (loss)	190	206	580	633
Operating Segments | Latin America | Oral, Personal and Home Care
Segment Reporting Information [Line Items]
Net sales	1,178	1,156	3,528	3,676
Cost of sales	541	459	1,555	1,464
Selling, general and administrative expenses	303	325	936	1,023
Other (income) expense, net	(2)	7	(15)	2
Operating profit (loss)	337	365	1,052	1,187
Operating Segments | Europe | Oral, Personal and Home Care
Segment Reporting Information [Line Items]
Net sales	801	744	2,228	2,102
Cost of sales	300	275	832	801
Selling, general and administrative expenses	285	280	811	777
Other (income) expense, net	7	8	20	22
Operating profit (loss)	209	181	566	502
Operating Segments | Asia Pacific | Oral, Personal and Home Care
Segment Reporting Information [Line Items]
Net sales	714	725	2,092	2,133
Cost of sales	270	269	796	814
Selling, general and administrative expenses	264	264	746	739
Other (income) expense, net	(8)	(8)	(22)	(21)
Operating profit (loss)	188	199	573	602
Operating Segments | Africa/Eurasia | Oral, Personal and Home Care
Segment Reporting Information [Line Items]
Net sales	297	278	863	827
Cost of sales	118	109	339	319
Selling, general and administrative expenses	106	99	323	301
Other (income) expense, net	4	5	12	12
Operating profit (loss)	68	65	190	195
Corporate
Segment Reporting Information [Line Items]
Operating profit (loss)	$ (189)	$ (208)	$ (523)	$ (605)