XML 100 R85.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Financial Instruments and Fair Value Measurements - Transfer of Financial Assets Accounted for as Sales (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Fair Value Disclosures [Abstract] |  |  |
Transfers of financial assets during the period. | $ 1,215 | $ 1,189 | $ 1,941
Transfer of Financial Assets Accounted for as Sales, Amount Derecognized | $ 323 | $ 118 |

X
- Definition Transfers of financial assets during the period. + References No definition available. + Details
Name: | bdx_TransfersOfFinancialAssetsDuringThePeriod
Namespace Prefix: | bdx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction, at the date of derecognition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121570589&loc=SL51823488-111719 + Details
Name: | us-gaap_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant