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Acquisitions and Dispositions (Tables) | 12 Months Ended
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Dec. 31, 2018
Business Combinations [Abstract] |
Business Acquisition, Pro Forma Information | This information has been presented for illustrative purposes only and is not necessarily indicative of the consolidated results of operations that would have been achieved or the future consolidated results of operations of Duke Energy.
| Year Ended December 31,
(in millions) | 2016
Operating Revenues | $ | 23,504 |
Net Income Attributable to Duke Energy Corporation | 2,442 |
Disposal Groups, Including Discontinued Operations | The following table presents the results of the International Disposal Group for the year ended December 31, 2016, which are included in Loss from Discontinued Operations, net of tax in Duke Energy's Consolidated Statements of Operations.
| Year Ended December 31,
(in millions) | 2016 |
Operating Revenues | $ | 988 |
Fuel used in electric generation and purchased power | 227 |
Cost of natural gas | 43 |
Operation, maintenance and other | 341 |
Depreciation and amortization(a) | 62 |
Property and other taxes | 15 |
Impairment charges (b) | 194 |
(Losses) Gains on Sales of Other Assets and Other, net | (3 | )
Other Income and Expenses, net | 58 |
Interest Expense | 82 |
Pretax loss on disposal(c) | (514 | )
Loss before income taxes(d) | (435 | )
Income tax expense(e)(f) | 99 |
Loss from discontinued operations of the International Disposal Group | $ | (534 | )
(a) | Upon meeting the criteria for assets held for sale, beginning in the fourth quarter of 2016 depreciation expense ceased.
(b) | In conjunction with the advancements of marketing efforts during 2016, Duke Energy performed recoverability tests of the long-lived asset groups of International Energy. As a result, Duke Energy determined the carrying value of certain assets in Central America was not fully recoverable and recorded a pretax impairment charge of $194 million. The charge represents the excess of carrying value over the estimated fair value of the assets, which was based on a Level 3 Fair Value measurement that was primarily determined from the income approach using discounted cash flows but also considered market information obtained in 2016.
(c) | The pretax loss on disposal includes the recognition of cumulative foreign currency translation losses of $620 million as of the disposal date. See the Consolidated Statements of Changes in Equity for additional information.
(d) | Pretax Loss attributable to Duke Energy Corporation was $(445) million for the year ended December 31, 2016.
(e) | Amount includes $126 million of income tax expense on the disposal, which primarily reflects in-country taxes incurred as a result of the sale. The after-tax loss on disposal was $640 million.
(f) | Amount includes an income tax benefit of $95 million. See Note 23, "Income Taxes," for additional information.
The following table summarizes the Loss from Discontinued Operations, net of tax recorded on Duke Energy's Consolidated Statements of Operations for the year ended December 31, 2016:
| Year Ended December 31,
(in millions) | 2016 |
International Disposal Group | $ | (534 | )
Other(a) | 126 |
Loss from Discontinued Operations, net of tax | $ | (408 | )
(a) | Amount represents an income tax benefit resulting from immaterial out of period deferred tax liability adjustments for previously sold businesses not related to the International Disposal Group.
Schedule of Cash Flow, Supplemental Disclosures | The following table summarizes Duke Energy's cash flows from discontinued operations related to the International Disposal Group.
| Year Ended December 31,
(in millions) | 2016 |
Cash flows provided by (used in): |
Operating activities | $ | 204 |
Investing activities | (434 | )

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