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Debt (Non-Recourse Debt Carrying Amounts and Terms) (Details) - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014
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Debt Instrument [Line Items] |  |  |
Non Recourse Debt Total | [1] | $ 15,792 | $ 15,600
Non-recourse Debt Current Maturities |  | (2,529) | (1,982)
Non-recourse debt - noncurrent, balance at variable interest entities |  | 13,263 | 13,618
Derivative, notional amount |  | $ 3,200 |
Interest rate swap, fixed minimum interest rate |  | 2.87% |
Interest rate swap, fixed maximum interest rate |  | 8.24% |
Variable Rate Debt | Bank loans |  |  |
Debt Instrument [Line Items] |  |  |
Weighted Average Interest Rate | [2] | 4.37% |
Non Recourse Debt Total | [2] | $ 2,352 | 1,893
Variable Rate Debt | Notes and bonds |  |  |
Debt Instrument [Line Items] |  |  |
Weighted Average Interest Rate | [2] | 14.98% |
Non Recourse Debt Total | [2] | $ 1,474 | 1,912
Variable Rate Debt | Debt to (or guaranteed by) multilateral, export credit agencies or development banks |  |  |
Debt Instrument [Line Items] |  |  |
Weighted Average Interest Rate | [2],[3] | 2.39% |
Non Recourse Debt Total | [2],[3] | $ 3,078 | 2,375
Variable Rate Debt | Other |  |  |
Debt Instrument [Line Items] |  |  |
Weighted Average Interest Rate | [2] | 12.65% |
Non Recourse Debt Total | [2] | $ 47 | 668
Fixed Rate Debt | Bank loans |  |  |
Debt Instrument [Line Items] |  |  |
Weighted Average Interest Rate |  | 5.11% |
Non Recourse Debt Total |  | $ 558 | 750
Fixed Rate Debt | Notes and bonds |  |  |
Debt Instrument [Line Items] |  |  |
Weighted Average Interest Rate |  | 5.54% |
Non Recourse Debt Total |  | $ 7,948 | 7,654
Fixed Rate Debt | Debt to (or guaranteed by) multilateral, export credit agencies or development banks |  |  |
Debt Instrument [Line Items] |  |  |
Weighted Average Interest Rate | [3] | 5.39% |
Non Recourse Debt Total | [3] | $ 309 | 259
Fixed Rate Debt | Other |  |  |
Debt Instrument [Line Items] |  |  |
Weighted Average Interest Rate |  | 8.66% |
Non Recourse Debt Total |  | $ 26 | $ 89
[1] | .
[2] | (1)The interest rate on variable rate debt represents the total of a variable component that is based on changes in an interest rate index and of a fixed component. The Company has interest rate swaps and option agreements in an aggregate notional principal amount of approximately $3.2 billion on non-recourse debt outstanding at December 31, 2015. These agreements economically fix the variable component of the interest rates on the portion of the variable-rate debt being hedged so that the total interest rate on that debt has been fixed at rates ranging from approximately 2.87% to 8.24%. These agreements expire at various dates from 2016 through 2033
[3] | (2)Multilateral loans include loans funded and guaranteed by bilaterals, multilaterals, development banks and other similar institutions.

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- Definition The maximum of the range of interest rates on variable rate non-recourse debt fixed by interest rate swap agreements. + References No definition available. + Details
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- Definition The minimum of the range of interest rates on variable rate non-recourse debt fixed by interest rate swap agreements. + References No definition available. + Details
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- Definition The current portion of the entity's non-recourse debt. Non-recourse debt is secured by the capital stock, physical assets, contracts and cash flows of the related subsidiary. The risk is limited to the respective subsidiary business and is without recourse to the Parent Company and other subsidiaries. + References No definition available. + Details
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- Definition The non-current portion of the entity's non-recourse debt. Non-recourse debt is secured by the capital stock, physical assets, contracts and cash flows of the related subsidiary. The risk is limited to the respective subsidiary business and is without recourse to the Parent Company and other subsidiaries. + References No definition available. + Details
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- Definition Non-recourse debt is secured by the capital stock, physical assets, contracts and cash flows of the related subsidiary. The risk is limited to the respective subsidiary business and is without recourse to the Parent Company and other subsidiaries. + References No definition available. + Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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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 FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 + Details
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