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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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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

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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

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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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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=6877327&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=6876686&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=119400593&loc=d3e572229-122910

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Balance Type:	credit
Period Type:	instant

- References

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

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- Details

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- Details

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- Details

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- Details

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Debt and Interest Costs - Activity (Details) € in Millions, $ in Millions	Jan. 31, 2020 USD ($)	Jan. 31, 2020 EUR (€)	Dec. 31, 2019 USD ($)	Nov. 30, 2019 EUR (€)	Dec. 31, 2018 USD ($)
Revolving credit facility
Maximum borrowing capacity of revolving credit facility			$ 1,750
Senior Notes 0.875 Percent, euro denominated, due March 2024
Long-term debt
Face amount of debt \| €				€ 750
Interest rate (as a percent)			0.875%	0.875%
Senior Notes 1.50 Percent, euro denominated, due March 2027
Long-term debt
Face amount of debt \| €				€ 550
Interest rate (as a percent)			1.50%	1.50%
Short-term uncommitted credit facilities
Revolving credit facility
Available borrowing capacity under line of credit facility			$ 1,000
Amount of credit facility outstanding and due on demand			$ 26		$ 211
Weighted average interest rate of the outstanding short-term facilities (as a percent)			5.99%		3.55%
Senior Notes 3.50 Percent, euro denominated, due December 2020
Long-term debt
Interest rate (as a percent)			3.50%		3.50%
Senior Notes 3.50 Percent, euro denominated, due December 2020 \| Subsequent Event.
Long-term debt
Face amount of debt \| €		€ 400
Interest rate (as a percent)	3.50%	3.50%
Senior Notes 4.375 percent, due December 2020
Long-term debt
Interest rate (as a percent)			4.375%		4.375%
Senior Notes 4.375 percent, due December 2020 \| Subsequent Event.
Long-term debt
Face amount of debt	$ 1,000
Interest rate (as a percent)	4.375%	4.375%