Letters of credit amount issuable under credit facility

No definition available.

Name:	bdx_LettersOfCreditIssuableUnderCreditFacility
Namespace Prefix:	bdx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Additional funding available, subject to additional commitments made by lenders, under Company's syndicated credit facility.

+ References

No definition available.

+ Details

Name:	bdx_LineOfCreditFacilityMaximumAdditionalPrincipalAmountCommitments
Namespace Prefix:	bdx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Additional Borrowing Capacity

+ References

No definition available.

+ Details

Name:	bdx_LineofCreditFacilityAdditionalBorrowingCapacity
Namespace Prefix:	bdx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value amount of debt instrument that was repurchased.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRepurchaseAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRepurchasedFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, 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_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The difference between the reacquisition price and the net carrying amount of the extinguished debt recognized currently as a component of income in the period of extinguishment, net of tax.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629

+ Details

Name:	us-gaap_ExtinguishmentOfDebtGainLossNetOfTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

Name:	us-gaap_LongTermDebtNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term unsecured obligations issued by corporations and other borrowers to investors (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19,20,22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LongtermCommercialPaperCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Name:	us-gaap_RepaymentsOfLinesOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Weighted average interest rate of short-term debt outstanding calculated at point in time.

+ References

+ Details

Name:	us-gaap_ShortTermDebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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 http://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

- Details

Name:	us-gaap_DebtInstrumentAxis=bdx_FloatingRateNotesDueDecember292020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bdx_Notes0.174dueJune42021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bdx_Notes0.632dueJune42023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bdx_Notes1.208dueJune42026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bdx_Notes0.368dueJune62019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bdx_Notes2.675dueDecember152019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bdx_FloatingRateNotesDueDecember2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bdx_Notes1.401dueMay242023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bdx_Notes3.02dueMay242025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bdx_Notes2823DueMay202030Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bdx_Notes3794DueMay202050Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bdx_Notes2404DueJune52020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bdx_Notes3250DueNovember122020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=bdx_TermLoanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CurrencyAxis=currency_EUR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CurrencyAxis=currency_USD
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ExtinguishmentOfDebtAxis=us-gaap_LongTermDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ExtinguishmentOfDebtAxis=us-gaap_ShortTermDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt - Additional Information (Detail) € in Millions	3 Months Ended						12 Months Ended
Debt - Additional Information (Detail) € in Millions	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Jun. 30, 2018	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2019 EUR (€)
Debt Instrument [Line Items]
Short-term debt, weighted average interest rate	0.20%		2.48%				0.20%	2.48%
Aggregate annual maturities of long-term debt, 2021	$ 1,200,000,000						$ 1,200,000,000
Aggregate annual maturities of long-term debt, 2022	3,800,000,000						3,800,000,000
Aggregate annual maturities of long-term debt, 2023	2,600,000,000						2,600,000,000
Aggregate annual maturities of long-term debt, 2024	2,300,000,000						2,300,000,000
Aggregate annual maturities of long-term debt, 2025	2,000,000,000.0						$ 2,000,000,000.0
Debt Instrument, Term							364 days
Letters Of Credit Issuable Under Credit Facility	100,000,000						$ 100,000,000
Line Of Credit Facility Maximum Additional Principal Amount Commitments	500,000,000						500,000,000
Line of Credit Facility, Maximum Borrowing Capacity	2,750,000,000						2,750,000,000
Long-term Commercial Paper	0						0
Debt Instrument, Repurchased Face Amount	950,000,000			$ 1,100,000,000			950,000,000
Long-Term Debt	17,224,000,000		$ 18,081,000,000				17,224,000,000	$ 18,081,000,000
Debt Instrument, Repurchase Amount	951,000,000			1,169,000,000			951,000,000
Extinguishment of Debt, Gain (Loss), Net of Tax	1,000,000			$ 57,000,000			8,000,000	59,000,000	$ 16,000,000
Transfer of Financial Assets Accounted for as Sales, Amount Derecognized	256,000,000						256,000,000
Floating Rate Notes Due December 29, 2020
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount	750,000,000						750,000,000
0.174% Notes due June 4, 2021
Debt Instrument [Line Items]
Long-Term Debt	$ 0		651,000,000				$ 0	651,000,000
Interest rate	0.174%			0.174%			0.174%			0.174%
0.632% Notes due June 4, 2023
Debt Instrument [Line Items]
Long-Term Debt	$ 933,000,000		867,000,000				$ 933,000,000	867,000,000
Interest rate	0.632%			0.632%			0.632%			0.632%
1.208% Notes due June 4, 2026
Debt Instrument [Line Items]
Long-Term Debt	$ 699,000,000		649,000,000				$ 699,000,000	649,000,000
Interest rate	1.208%			1.208%			1.208%			1.208%
Notes 0.368% due June 6, 2019
Debt Instrument [Line Items]
Interest rate				0.368%						0.368%
2.675% Notes due December 15, 2019
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount			825,000,000					825,000,000
Debt Instrument, Repurchase Amount			826,000,000					$ 826,000,000
Extinguishment of Debt, Gain (Loss), Net of Tax			$ 1,000,000
Interest rate	2.675%		2.675%				2.675%	2.675%
Floating Rate Notes due December 29, 2020
Debt Instrument [Line Items]
Long-Term Debt	$ 0		$ 748,000,000				$ 0	$ 748,000,000
1.401% Notes due May 24, 2023
Debt Instrument [Line Items]
Long-Term Debt	$ 350,000,000		325,000,000				$ 350,000,000	325,000,000
Interest rate	1.401%						1.401%
3.020% Notes due May 24, 2025
Debt Instrument [Line Items]
Long-Term Debt	$ 320,000,000		306,000,000				$ 320,000,000	306,000,000
Interest rate	3.02%						3.02%
Notes 2.823% due May 20, 2030
Debt Instrument [Line Items]
Long-Term Debt	$ 743,000,000		0				$ 743,000,000	0
Debt instrument, face amount		$ 750,000,000
Interest rate	2.823%	2.823%					2.823%
Notes 3.794% due May 20, 2050
Debt Instrument [Line Items]
Long-Term Debt	$ 742,000,000		0				$ 742,000,000	0
Debt instrument, face amount		$ 750,000,000
Interest rate	3.794%	3.794%					3.794%
Notes 2.404% due June 5, 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount		$ 1,000,000,000.000
Interest rate		2.404%
Notes 3.250% due November 12, 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount	$ 200,000,000	$ 500,000,000					$ 200,000,000
Long-Term Debt		500,000,000
Debt Instrument, Repurchase Amount		506,000,000
Extinguishment of Debt, Gain (Loss), Net of Tax		$ 6,000,000
Interest rate	3.25%	3.25%					3.25%
Revolving Credit Facility due December 29, 2022
Debt Instrument [Line Items]
Debt Instrument, Term						5 years
Borrowings under credit facility	$ 0		$ 485,000,000				$ 0	485,000,000
Line of Credit Facility, Current Borrowing Capacity	2,630,000,000	$ 2,250,000,000					$ 2,630,000,000
Line of Credit Facility, Additional Borrowing Capacity		381,000,000
Term Loan Facility
Debt Instrument [Line Items]
Debt Instrument, Term			364 days
Line of Credit Facility, Current Borrowing Capacity		$ 2,000,000,000.0
Repayments of Lines of Credit	$ 1,900,000,000
Senior Notes \| Floating Rate Notes Due December 29, 2020
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount					$ 250,000,000
Long-Term Debt					249,000,000
Debt Instrument, Repurchase Amount					250,000,000
Extinguishment of Debt, Gain (Loss), Net of Tax					$ 1,000,000
Euro Member Countries, Euro \| 0.174% Notes due June 4, 2021
Debt Instrument [Line Items]
Debt instrument, face amount \| €										€ 600
Euro Member Countries, Euro \| 0.632% Notes due June 4, 2023
Debt Instrument [Line Items]
Debt instrument, face amount \| €										800
Euro Member Countries, Euro \| 1.208% Notes due June 4, 2026
Debt Instrument [Line Items]
Debt instrument, face amount \| €										600
Euro Member Countries, Euro \| Notes 0.368% due June 6, 2019
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount \| €										€ 1,000
United States of America, Dollars \| 0.174% Notes due June 4, 2021
Debt Instrument [Line Items]
Debt instrument, face amount				$ 672,000,000
United States of America, Dollars \| 0.632% Notes due June 4, 2023
Debt Instrument [Line Items]
Debt instrument, face amount				896,000,000
United States of America, Dollars \| 1.208% Notes due June 4, 2026
Debt Instrument [Line Items]
Debt instrument, face amount				672,000,000
United States of America, Dollars \| Notes 0.368% due June 6, 2019
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount				1,120,000,000
Long-term Debt
Debt Instrument [Line Items]
Long-Term Debt				$ 1,112,000,000
Short-term Debt \| 2.675% Notes due December 15, 2019
Debt Instrument [Line Items]
Long-Term Debt			$ 825,000,000					$ 825,000,000