XML 57 R42.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Summary of Significant Accounting Policies [Line Items] |  |  |
Depreciation and amortization expense | $ 672 | $ 689 | $ 608
Selling and administrative expense | 4,709 | 4,719 | 4,185
Shipping and Handling |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Selling and administrative expense | $ 751 | $ 641 | $ 538
Minimum | Core and Developed Technology |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Finite-lived intangible assets, useful life | 15 years |  |
Minimum | Customer relationships |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Finite-lived intangible assets, useful life | 10 years |  |
Minimum | Patents, Trademarks, and Other |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Finite-lived intangible assets, useful life | 1 year |  |
Minimum | Buildings |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 20 years |  |
Minimum | Machinery and Equipment |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 4 years |  |
Minimum | Leasehold Improvements |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 1 year |  |
Maximum | Core and Developed Technology |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Finite-lived intangible assets, useful life | 20 years |  |
Maximum | Customer relationships |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Finite-lived intangible assets, useful life | 15 years |  |
Maximum | Patents, Trademarks, and Other |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Finite-lived intangible assets, useful life | 40 years |  |
Maximum | Buildings |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 45 years |  |
Maximum | Machinery and Equipment |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 13 years |  |
Maximum | Leasehold Improvements |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 20 years |  |

X
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
Name: | us-gaap_Depreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
Name: | us-gaap_SellingGeneralAndAdministrativeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_ShippingAndHandlingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=bdx_CoreTechnologiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=bdx_PatentsAndTrademarksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdsAndLeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |