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Held-for-Sale and Dispositions Dispositions (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Jun. 30, 2020 | Mar. 31, 2020 | Mar. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Gain (loss) on disposal and sale of businesses interests |  | $ 0 | $ 4
Gain (Loss) on Disposition of Assets |  | 42 | $ (7)
Redondo Beach [Member] |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Gain (Loss) on Disposition of Assets |  | 41 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Redondo Beach [Member] |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  | 24 |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | JORDAN |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  | $ 159 |
Disposal Group Not Discontinued Operation Ownership Interest Sold |  | 36.00% |
Subsequent Event [Member] |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Capital Contribution to Project | $ 335 |  |

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- Definition Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684 + Details
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