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v3.10.0.1

Dispositions Dispositions (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Mar. 31, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Income (Loss) from Individually Significant Component Disposed of or Held-for-sale, Excluding Discontinued Operations, Attributable to Parent, before Income Tax | $ 26 |  | $ 47 |  |
Impairment of Long-Lived Assets Held-for-use | 92 |  | 90 | $ 92 | $ 258
Proceeds from the sale of businesses, net of cash and restricted cash sold |  |  |  | 1,808 | 33
Gain (loss) on disposal and sale of businesses | 89 |  | (48) | 877 | (48)
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Income (Loss) from Individually Significant Component Disposed of or Held-for-sale, Excluding Discontinued Operations, Attributable to Parent, before Income Tax |  |  |  | 51 | 66
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Electrica Santiago (Gener ESSA) [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Proceeds from the sale of businesses, net of cash and restricted cash sold | 307 |  |  |  |
Gain (loss) on disposal and sale of businesses | (89) |  |  |  |
Tax on gain (loss) on disposition of business |  | $ 31 |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Masinloc Subsidiary [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Income (Loss) from Individually Significant Component Disposed of or Held-for-sale, Excluding Discontinued Operations, Attributable to Parent, before Income Tax | 0 |  | 29 | 9 | 52
Proceeds from the sale of businesses, net of cash and restricted cash sold |  | 1,050 |  |  |
Gain (loss) on disposal and sale of businesses |  | (777) |  |  |
Tax on gain (loss) on disposition of business |  | 155 |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Kazakhstan [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Proceeds from the sale of businesses, net of cash and restricted cash sold |  |  | 24 |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  | (48) |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | DPL Peaking Generation [Domain] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Income (Loss) from Individually Significant Component Disposed of or Held-for-sale, Excluding Discontinued Operations, Attributable to Parent, before Income Tax | 23 |  | 12 | 30 | (8)
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Beckjord Facility [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  | (12) |  |  |
Asset Retirement Obligation, Cash Paid to Settle |  | (15) |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Other Subsidiaries [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Income (Loss) from Individually Significant Component Disposed of or Held-for-sale, Excluding Discontinued Operations, Attributable to Parent, before Income Tax | 3 |  | 6 | 12 | 22
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Compania Transmisora del Norte Grande [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring | 95 |  |  | 95 |
Proceeds from the sale of businesses, net of cash and restricted cash sold | 220 |  |  |  |
Disposal Group, Not Discontinued Operations [Member] | Advancion Energy Storage [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Gain (loss) on disposal and sale of businesses |  | $ (23) |  |  |
Kazakhstan [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of | $ 0 |  | $ 0 | $ 0 | $ 94

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