Number of Tranches

No definition available.

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- Definition

Outstanding balance under the commercial paper program.

+ References

No definition available.

+ Details

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- Definition

Short And Long Term Debt [Line Items]

+ References

No definition available.

+ Details

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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=34725769&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=6451184&loc=d3e28551-108399

+ Details

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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- 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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Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current portion 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

-Glossary Line-of-Credit Arrangement

-URI http://asc.fasb.org/extlink&oid=6517033

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.20)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20

-Article 5

+ Details

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Weighted average interest rate of short-term debt outstanding.

+ References

+ Details

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Data Type:	num:percentItemType
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- Details

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- Details

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- Details

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Debt (Narrative) (Details)	Sep. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)	Feb. 28, 2014 USD ($)	May. 31, 2011 USD ($) Loan
Short and Long Term Debt [Line Items]
Debt financing program through the issuance of commercial paper	$ 3,000,000,000.0
Amounts of commercial paper outstanding	$ 2,000,000,000	$ 2,000,000,000
Weighted average yield for commercial paper outstanding	0.20%	0.10%
Estimated fair value of long-term debt	$ 3,100,000,000	$ 3,100,000,000
2.125% Notes due on May 19, 2016(1)
Short and Long Term Debt [Line Items]
Effective interest rate	2.241%
3.625% Notes due on May 19, 2021
Short and Long Term Debt [Line Items]
Effective interest rate	3.734%
3.375% Notes due on February 25, 2024
Short and Long Term Debt [Line Items]
Effective interest rate	3.377%
Unsecured debt
Short and Long Term Debt [Line Items]
Debt instrument, face amount			$ 1,000,000,000.0	$ 3,000,000,000.0
Number of unsecured senior notes tranches \| Loan				3
Commercial paper financing credit facility
Short and Long Term Debt [Line Items]
Debt financing program through the issuance of commercial paper	$ 3,000,000,000.0
Revolving Credit Facility
Short and Long Term Debt [Line Items]
Outstanding amount under the Credit Facility	$ 0	$ 0