Segment Data - Revenues by Geographic Areas (Detail) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Revenues	$ 4,706	$ 4,586
Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	2,230	2,154
Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	1,288	1,302
Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	1,188	1,129
United States
Segment Reporting Information [Line Items]
Revenues	2,749	2,730
United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	1,360	1,303
United States | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	587	645
United States | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	802	782
International
Segment Reporting Information [Line Items]
Revenues	1,957	1,856
International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	870	852
International | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	701	657
International | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	386	347
Medication Delivery Solutions | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	1,052	1,039
Medication Delivery Solutions | United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	639	620
Medication Delivery Solutions | International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	413	419
Medication Management Solutions | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	747	706
Medication Management Solutions | United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	594	564
Medication Management Solutions | International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	153	142
Pharmaceutical Systems | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	431	409
Pharmaceutical Systems | United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	127	119
Pharmaceutical Systems | International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	304	290
Integrated Diagnostic Solutions | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	913	952
Integrated Diagnostic Solutions | United States | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	444	508
Integrated Diagnostic Solutions | International | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	470	445
Biosciences | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	375	349
Biosciences | United States | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	143	137
Biosciences | International | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	232	212
Surgery | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	369	363
Surgery | United States | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	280	287
Surgery | International | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	88	76
Peripheral Intervention | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	454	433
Peripheral Intervention | United States | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	234	236
Peripheral Intervention | International | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	220	197
Urology and Critical Care | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	365	333
Urology and Critical Care | United States | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	287	259
Urology and Critical Care | International | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	$ 78	$ 74