Debt (Credit Facilities) (Narrative) (Details) - Revolving Credit Facility [Member] - USD ($) |
12 Months Ended | |
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Dec. 31, 2016 |
Dec. 31, 2015 |
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| Debt Instrument [Line Items] | ||
| Facility expiration date | May 25, 2019 | |
| Credit facility term | 5 years | |
| Revolving credit facility available credit | $ 1,700,000,000 | |
| Revolving credit facility withdrawals | 0 | |
| Allowable debt per debt-to-net-worth coverage ratio (as defined in the facility) | 39,900,000,000 | |
| Outstanding debt (as defined by facility) | 15,100,000,000 | |
| Cross-default provision (as defined by facility) | 125,000,000 | |
| Commercial paper issued | 0 | |
| Commercial paper repaid | 0 | |
| Commercial paper outstanding | $ 0 | $ 0 |
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- Definition Total amount of debt (as defined in the facility) the debt-to-net-worth coverage ratio allowable under the revolving credit facility. No definition available.
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- Definition Cross-default provision, as defined by facility. No definition available.
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- Definition Outstanding debt as defined by the credit facility. No definition available.
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. No definition available.
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash inflow from borrowing by issuing commercial paper. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash outflow due to repaying amounts borrowed by issuing commercial paper. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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