XML 61 R45.htm IDEA: XBRL DOCUMENT
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Change in Accounting Estimate (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Jan. 01, 2019 | Dec. 31, 2018 | Jan. 01, 2018
Retained Earnings (Accumulated Deficit) | $ 13,832 |  |  | $ 15,967 |
Assets constructed for others | 1,543 |  |  | 1,768 |
Accounting Standards Update 2017-07 |  |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption | 14 | $ 12 |  |  |
Reclassification from Other operating expenses to be offset against Passenger revenues | Adjustments for New Accounting Standards Update 2014-09 |  |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption | 40 |  |  |  |
Restatement Adjustment |  |  |  |  |
Assets constructed for others |  |  | $ 1,500 |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  |  | 1,400 |  |
Restatement Adjustment | Adjustments for New Accounting Standards Update 2014-09 |  |  |  |  |
Retained Earnings (Accumulated Deficit) | (789) |  |  |  |
Restatement Adjustment | Accumulated other comprehensive income (loss) | Adjustments for New Accounting Standards Update 2014-09 |  |  |  |  |
Retained Earnings (Accumulated Deficit) |  |  |  |  | $ 20
DAL |  |  |  |  |
Assets constructed for others | $ 543 |  |  | 545 |
Municipal Bonds Principal Remaining |  |  |  | $ 416 |
DAL | Restatement Adjustment |  |  |  |  |
Municipal Bonds Principal Remaining |  |  | 450 |  |
Aircraft | Restatement Adjustment |  |  |  |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  |  | 700 |  |
Aircraft | Other Assets |  |  |  |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  |  | $ 200 |  |

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