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Other Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2016
Other Liabilities Disclosure [Abstract] |
Schedule of Other Liabilities |
(in millions) | 2016 |  | 2015 |
OPEB plan liabilities (Note 26) | $ | 411 |  | $ | 385 |
Defined benefit pension plan liabilities (Note 26) | 410 |  | 368 |
MGP site remediation (Notes 8 (v) and 13) | 77 |  | 96 |
Customer and other deposits | 69 |  | 38 |
Waneta Partnership promissory note (Notes 30, 31 and 33) | 59 |  | 56 |
Asset retirement obligations | 58 |  | 49 |
Mine reclamation and retiree health care liabilities | 40 |  | 39 |
Deferred compensation plan liabilities (Note 9) | 27 |  | 25 |
DSU, PSU and RSU liabilities (Note 22) | 24 |  | 20 |
Fair value of derivative instruments (Note 30) | 10 |  | 13 |
Other | 94 |  | 63 |
|  | $ | 1,279 |  | $ | 1,152 |

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- Definition Tabular disclosure of other noncurrent liabilities. + References No definition available. + Details
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