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NDT Funds | 3 Months Ended
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Mar. 31, 2016
Available-for-sale Securities [Abstract] |
NDT Funds | NDT Funds Securities held by Talen Energy's NDT funds are classified as available-for-sale. The following table shows the amortized cost, the gross unrealized gains and losses recorded in AOCI and the fair value of Talen Energy's available-for-sale securities.
| March 31, 2016 |  | December 31, 2015
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
NDT funds: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ | 7 |  |  | $ | — |  |  | $ | — |  |  | $ | 7 |  |  | $ | 11 |  |  | $ | — |  |  | $ | — |  |  | $ | 11 |
Equity securities | 301 |  |  | 409 |  |  | — |  |  | 710 |  |  | 297 |  |  | 406 |  |  | — |  |  | 703 |
Debt securities | 233 |  |  | 12 |  |  | — |  |  | 245 |  |  | 230 |  |  | 7 |  |  | — |  |  | 237 |
Receivables/payables, net | 2 |  |  | — |  |  | — |  |  | 2 |  |  | — |  |  | — |  |  | — |  |  | — |
Total NDT funds | $ | 543 |  |  | $ | 421 |  |  | $ | — |  |  | $ | 964 |  |  | $ | 538 |  |  | $ | 413 |  |  | $ | — |  |  | $ | 951 |
See Note 12 for details on the securities held by the NDT funds. There were no securities with credit losses at March 31, 2016 and December 31, 2015. The following table shows the scheduled maturity dates of debt securities held at March 31, 2016.
| Maturity Less Than 1 Year |  | Maturity 1-5 Years |  | Maturity 6-10 Years |  | Maturity in Excess of 10 Years |  | Total
Amortized cost | $ | 5 |  |  | $ | 106 |  |  | $ | 68 |  |  | $ | 54 |  |  | $ | 233 |
Fair value | 5 |  |  | 109 |  |  | 71 |  |  | 60 |  |  | 245 |
The following table shows proceeds from and realized gains and losses on sales of available-for-sale securities for the period ended March 31.
| Three Months
| 2016 |  | 2015
Proceeds from sales of NDT securities (a) | $ | 54 |  |  | $ | 38 |
Gross realized gains (b) | 6 |  |  | 5 |
Gross realized losses (b) | 8 |  |  | 3 |
(a) | These proceeds are used to pay income taxes and fees related to managing the trust. Remaining proceeds are reinvested in the trust.
(b) | Excludes the impact of other-than-temporary impairment charges recognized on the Statements of Income.

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