Segment Data - Revenues by Geographic Areas (Detail) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Revenues	$ 5,168	$ 4,706
Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	2,615	2,230
Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	1,297	1,288
Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	1,257	1,188
United States
Segment Reporting Information [Line Items]
Revenues	3,080	2,749
United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	1,615	1,360
United States | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	603	587
United States | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	861	802
International
Segment Reporting Information [Line Items]
Revenues	2,089	1,957
International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	999	870
International | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	694	701
International | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	396	386
Medication Delivery Solutions | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	1,124	1,052
Medication Delivery Solutions | United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	694	639
Medication Delivery Solutions | International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	430	413
Medication Management Solutions | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	801	747
Medication Management Solutions | United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	659	594
Medication Management Solutions | International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	142	153
Pharmaceutical Systems | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	418	431
Pharmaceutical Systems | United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	104	127
Pharmaceutical Systems | International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	314	304
Advanced Patient Monitoring | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	271	0
Advanced Patient Monitoring | United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	159	0
Advanced Patient Monitoring | International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	113	0
Specimen Management | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	462	447
Specimen Management | United States | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	238	234
Specimen Management | International | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	223	213
Diagnostic Solutions | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	474	467
Diagnostic Solutions | United States | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	212	210
Diagnostic Solutions | International | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	262	256
Biosciences | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	361	375
Biosciences | United States | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	153	143
Biosciences | International | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	208	232
Surgery | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	395	369
Surgery | United States | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	303	280
Surgery | International | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	92	88
Peripheral Intervention | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	473	454
Peripheral Intervention | United States | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	253	234
Peripheral Intervention | International | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	220	220
Urology and Critical Care | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	389	365
Urology and Critical Care | United States | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	306	287
Urology and Critical Care | International | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	$ 83	$ 78