Borrowing Arrangements (Derivatives) (Details) (USD $)	Dec. 31, 2013
Derivative [Line Items]
Variable Rate Debt Amount	$ 1,700,000,000
Fixed Rate Debt Amount	7,600,000,000
Variable Rate Debt [Member] \| Swap
Derivative [Line Items]
Derivative Notional Amount	153,700,000
Fixed Rate Debt [Member] \| Swap
Derivative [Line Items]
Derivative Notional Amount	$ 60,000,000

The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

No definition available.

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