v2.4.0.8

Basis of Presentation and Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Accounting Policies [Line Items] |  |  |  |  |
Current | $ 195 |  |  | $ 203 |
Non-current | 71 |  |  | 69 |
Total | 266 |  |  | 272 |
Held-to-maturity Securities, Restricted | 24 |  |  | 24 |
Cash and cash equivalents subject to project finance facilities and lease agreements | 98 |  |  | 292 |
Interest Costs Capitalized | 6 |  | 12 |  |
Inventory | 361 |  |  | 364 |
Treasury Stock, Value, Acquired, Cost Method | 140 |  |  |  |
Adjustments Related to Tax Withholding for Share-based Compensation | 8 |  |  |  |
Debt Service |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Current | 11 | [1] |  | 11 | [1]
Non-current | 41 | [1] |  | 41 | [1]
Total | 52 | [1] |  | 52 | [1]
Rent Reserve |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Current | 4 |  |  | 3 |
Non-current | 0 |  |  | 0 |
Total | 4 |  |  | 3 |
Construction Major Maintenance |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Current | 34 |  |  | 35 |
Non-current | 22 |  |  | 20 |
Total | 56 |  |  | 55 |
Security Project Insurance |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Current | 146 |  |  | 151 |
Non-current | 6 |  |  | 6 |
Total | 152 |  |  | 157 |
Other |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Current | 0 |  |  | 3 |
Non-current | 2 |  |  | 2 |
Total | $ 2 |  |  | $ 5 |
Geothermal Properties, Gross [Member] | Minimum [Member] |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Property, Plant and Equipment, Estimated Useful Lives | 13 years |  |  |  |
Geothermal Properties, Gross [Member] | Maximum [Member] |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Property, Plant and Equipment, Estimated Useful Lives | 59 years |  |  |  |
Property, Plant and Equipment, Other Types [Member] | Minimum [Member] |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Property, Plant and Equipment, Estimated Useful Lives | 3 years |  |  |  |
Property, Plant and Equipment, Other Types [Member] | Maximum [Member] |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Property, Plant and Equipment, Estimated Useful Lives | 47 years |  |  |  |
Building, Machinery and Equipment, Gross [Member] | Minimum [Member] |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Property, Plant and Equipment, Estimated Useful Lives | 3 years |  |  |  |
Building, Machinery and Equipment, Gross [Member] | Maximum [Member] |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Property, Plant and Equipment, Estimated Useful Lives | 47 years |  |  |  |
[1] | At both March 31, 2014 and December 31, 2013, amounts restricted for debt service included approximately $24 million of repurchase agreements with a financial institution containing maturity dates greater than one year.

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