|
Short-Term Borrowings (Narrative) (Details) (USD $) In Millions, unless otherwise specified
|
3 Months Ended |
|
|
Mar. 31, 2015
|
Dec. 05, 2014
|
| Short-term Debt [Line Items] |
|
|
| Revolving credit facility |
$ 2,600 |
|
| Line of Credit Facility Amount Outstanding |
0 |
|
| Letters of Credit Outstanding |
0 |
|
| Minimum |
|
|
| Short-term Debt [Line Items] |
|
|
| Line of Credit Facility, Commitment Fee Percentage |
0.125% |
|
| Consolidated Interest Coverage Ratio |
3.00 |
|
| Maximum |
|
|
| Short-term Debt [Line Items] |
|
|
| Line of Credit Facility, Commitment Fee Percentage |
0.35% |
|
| Ratio of Indebtedness to Net Capital |
1.00 |
|
| Consolidated Interest Coverage Ratio |
1.00 |
|
| Revolving Credit Facility |
|
|
| Short-term Debt [Line Items] |
|
|
| Revolving credit facility |
1,500 |
500 |
| Letter of Credit |
|
|
| Short-term Debt [Line Items] |
|
|
| Revolving credit facility |
|
$ 50 |
| Period 1 | Minimum |
|
|
| Short-term Debt [Line Items] |
|
|
| Ratio of Indebtedness to Net Capital |
5.75 |
|
| Period 1 | Maximum |
|
|
| Short-term Debt [Line Items] |
|
|
| Ratio of Indebtedness to Net Capital |
1.00 |
|
| Period 2 | Minimum |
|
|
| Short-term Debt [Line Items] |
|
|
| Ratio of Indebtedness to Net Capital |
5.50 |
|
| Period 2 | Maximum |
|
|
| Short-term Debt [Line Items] |
|
|
| Ratio of Indebtedness to Net Capital |
1.00 |
|
| Period 3 | Minimum |
|
|
| Short-term Debt [Line Items] |
|
|
| Ratio of Indebtedness to Net Capital |
5.00 |
|
| Acquisition Period | Minimum |
|
|
| Short-term Debt [Line Items] |
|
|
| Ratio of Indebtedness to Net Capital |
5.50 |
|
| Acquisition Period | Maximum |
|
|
| Short-term Debt [Line Items] |
|
|
| Ratio of Indebtedness to Net Capital |
1.00 |
|
| Federal Funds Effective Swap Rate |
|
|
| Short-term Debt [Line Items] |
|
|
| Basis Spread on Variable Rate |
0.50% |
|
| Federal Funds Effective Swap Rate | Minimum |
|
|
| Short-term Debt [Line Items] |
|
|
| Margin Rate |
0.00% |
|
| Federal Funds Effective Swap Rate | Maximum |
|
|
| Short-term Debt [Line Items] |
|
|
| Margin Rate |
0.65% |
|
| London Interbank Offered Rate (LIBOR) |
|
|
| Short-term Debt [Line Items] |
|
|
| Basis Spread on Variable Rate |
1.00% |
|
| London Interbank Offered Rate (LIBOR) | Minimum |
|
|
| Short-term Debt [Line Items] |
|
|
| Margin Rate |
0.00% |
|
| London Interbank Offered Rate (LIBOR) | Maximum |
|
|
| Short-term Debt [Line Items] |
|
|
| Margin Rate |
0.65% |
|
| Eurodollar |
|
|
| Short-term Debt [Line Items] |
|
|
| Margin Rate |
1.00% |
|
| Eurodollar | Maximum |
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|
| Short-term Debt [Line Items] |
|
|
| Margin Rate |
1.65% |
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