Segment Data - Revenues by Geographic Areas (Detail) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenues	$ 4,995	$ 5,315
Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	2,397	2,261
Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	1,483	1,979
Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	1,115	1,075
United States
Segment Reporting Information [Line Items]
Revenues	2,853	3,130
United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	1,357	1,274
United States | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	744	1,134
United States | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	752	722
International
Segment Reporting Information [Line Items]
Revenues	2,143	2,186
International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	1,040	988
International | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	739	845
International | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	363	353
Medication Delivery Solutions | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	1,084	1,008
Medication Delivery Solutions | United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	619	568
Medication Delivery Solutions | International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	465	440
Medication Management Solutions | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	627	630
Medication Management Solutions | United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	484	477
Medication Management Solutions | International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	143	152
Diabetes Care | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	289	285
Diabetes Care | United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	151	150
Diabetes Care | International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	138	136
Pharmaceutical Systems | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	397	339
Pharmaceutical Systems | United States | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	102	79
Pharmaceutical Systems | International | Operating Segments | Medical
Segment Reporting Information [Line Items]
Revenues	294	260
Integrated Diagnostic Solutions | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	1,145	1,667
Integrated Diagnostic Solutions | United States | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	615	1,014
Integrated Diagnostic Solutions | International | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	530	653
Biosciences | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	338	312
Biosciences | United States | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	129	120
Biosciences | International | Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Revenues	209	192
Surgery | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	361	332
Surgery | United States | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	281	262
Surgery | International | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	80	70
Peripheral Intervention | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	413	426
Peripheral Intervention | United States | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	217	232
Peripheral Intervention | International | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	197	193
Urology and Critical Care | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	340	317
Urology and Critical Care | United States | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	254	228
Urology and Critical Care | International | Operating Segments | Interventional
Segment Reporting Information [Line Items]
Revenues	$ 87	$ 89