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New Accounting Pronouncement and Changes in Accounting or Estimates Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 USD ($) aircraft | Jun. 30, 2016 USD ($) aircraft
Accounting Changes and Error Corrections [Abstract] |  |
Proceeds and Excess Tax Benefit from Share-based Compensation | $ 5 | $ 7
Change In Accounting Estimate Financial Effect On Depreciation Expense for the Remainder of 2016 | $ 56 |
Additional 737 NG 800 Firm Orders | aircraft | 33 | 33

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- Definition Represents the increase in depreciation expense, excluding the impact of profitsharing and income taxes, resulting from the change in the estimated residual values of the Company's remaining owned 737-300 and 737-500 aircraft. + References No definition available. + Details
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- Definition Long Term Purchase Commitments Additional 737NG800 Aircraft Firm Orders + References No definition available. + Details
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- Definition The aggregate cash inflow comprised of the amount received from (a) employees to acquire the entity's shares under incentive awards, including stock option exercises and restricted stock arrangements, and (b) the excess tax benefit arising from such transactions. + References No definition available. + Details
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