Short-Term Borrowings (Narrative) (Details) (USD $)	6 Months Ended
Jun. 30, 2014	Dec. 31, 2013
Short-term Debt [Line Items]
Commercial paper outstanding	$ 801,100,000	$ 433,600,000
Revolving credit facility	2,000,000,000
Revolving Credit Facility, Expiration Date	Sep. 28, 2018
Accounts receivable securitization facility borrowings	300,000,000	265,100,000
Short-term borrowings	1,101,100,000	698,700,000
Letters Of Credit [Member]
Short-term Debt [Line Items]
Letters of Credit Outstanding, Amount	30,500,000	31,600,000
Revolving Credit Facility [Member]
Short-term Debt [Line Items]
Line of Credit Facility, Amount Outstanding	0
Commercial Paper [Member]
Short-term Debt [Line Items]
Commercial paper outstanding	801,100,000
Revolving credit facility	1,500,000,000
Standby Letters of Credit [Member]
Short-term Debt [Line Items]
Line of Credit Facility, Amount Outstanding	$ 14,300,000	$ 14,300,000

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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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.

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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