The amount of fair value adjustment recognized that has yet to be amortized.

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 21
-Paragraph 16, 20

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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 SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

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Interest rate stated in the contractual debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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-Section 02
-Paragraph 22
-Article 5

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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.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
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-Paragraph 31
-Subparagraph b

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 21
-Paragraph 16, 20

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Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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-Paragraph 22
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section H

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Obligation related to long-term debt (excluding convertible debt) and capital leases, the portion which is due in one year or less in the future.

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Debt (Details) In Millions, unless otherwise specified	Jun. 30, 2011 USD ($)	Dec. 31, 2010 USD ($)	Jun. 30, 2011 Revolving Credit Facility [Member] USD ($)	Dec. 31, 2010 Revolving Credit Facility [Member] USD ($)	Jun. 30, 2011 Commercial Paper Program [Member] USD ($)	Dec. 31, 2010 Commercial Paper Program [Member] USD ($)	Jun. 30, 2011 Senior Notes And Debentures [Member] USD ($)	Dec. 31, 2010 Senior Notes And Debentures [Member] USD ($)	Jun. 30, 2011 Senior Notes And Debentures [Member] Notes Maturing May 2031 [Member] USD ($)	Jun. 30, 2011 Senior Notes And Debentures [Member] Notes Maturing May 2031 [Member] GBP (£)	Jun. 30, 2011 Capital Leases [Member] USD ($)	Dec. 31, 2010 Capital Leases [Member] USD ($)
Debt Instrument [Line Items]
Total debt, amount outstanding	$ 24,183	$ 23,121	$ 0	$ 0	$ 0	$ 0	$ 24,165	$ 23,118	$ 999	£ 623	$ 18	$ 3
Current maturities of long-term debt, amount outstanding	261	0
Long-term debt, amount outstanding	23,922	23,121
Unamortized fair value adjustment							84	91
Unamortized discount							145	149
Effective interest rate (in percent)							6.041%
Principal amount										£ 625
Stated interest rate (in percent)									5.75%	5.75%