Principal amount of debt validly tendered and exchanged for new notes.

No definition available.

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- Definition

Principal Amount Outstanding After Exchange

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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- Definition

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

+ References

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- 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.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

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- Definition

Fair value amount of debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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- 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

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- 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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629

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- 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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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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

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- 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

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Debt - Additional Information (Detail)		1 Months Ended	3 Months Ended	6 Months Ended
Debt - Additional Information (Detail)	Dec. 29, 2017 USD ($)	Jan. 31, 2018	Mar. 31, 2018 USD ($)	Mar. 31, 2018 EUR (€)	Mar. 31, 2018 USD ($)	Sep. 30, 2017 USD ($)
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities					$ 22,589,000,000	$ 18,667,000,000
Debt Instrument, Repurchased Face Amount					461,000,000
Debt Instrument, Repurchase Amount					465,000,000
Extinguishment of Debt, Gain (Loss), Net of Tax			$ 13,000,000
Term Loan Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Term				3 years
Line of Credit Facility, Current Borrowing Capacity					2,250,000,000
Long-term Line of Credit					1,400,000,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Term				5 years
Line of Credit Facility, Current Borrowing Capacity					2,250,000,000
Long-term Line of Credit					380,000,000
Syndicated Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity					1,500,000,000
Exchanged Notes [Member] \| CR Bard Inc [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	$ 1,150,000,000
Principal Amount Accepted for Exchange	1,039,000,000
Long-term Debt, Excluding Current Maturities					$ 111,000,000
Notes 4.400% due January 15, 2021 [Member] \| Exchanged Notes [Member] \| CR Bard Inc [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	500,000,000
Principal Amount Accepted for Exchange	432,000,000
Stated interest rate				4.40%	4.40%
Notes 3.000% due May 15, 2026 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities					$ 452,000,000
Notes 3.000% due May 15, 2026 [Member] \| Exchanged Notes [Member]
Debt Instrument [Line Items]
Debt repurchase offer, percentage of principal		101.00%
Notes 3.000% due May 15, 2026 [Member] \| Exchanged Notes [Member] \| CR Bard Inc [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	500,000,000
Principal Amount Accepted for Exchange	470,000,000
Stated interest rate				3.00%	3.00%
Notes 6.700% due December 1, 2026 [Member] \| Exchanged Notes [Member] \| CR Bard Inc [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	150,000,000
Principal Amount Accepted for Exchange	$ 137,000,000
Stated interest rate				6.70%	6.70%
Notes0.368DueJune2019 [Member]
Debt Instrument [Line Items]
Stated interest rate				0.368%	0.368%
Debt Instrument, Face Amount				€ 300,000,000	$ 370,000,000
FloatingRateNotesDueFebruary2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 1,000,000,000