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ACQUISITION OF VIRGIN AMERICA, INC. Fair value of consideration transferred (Details) - Virgin America Inc. [Member] $ / shares in Units, shares in Thousands, $ in Millions | Dec. 14, 2016 USD ($) $ / shares shares
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Business Acquisition [Line Items] |
Number of shares of Virgin America common stock issued and outstanding | shares | 44,645
Multiplied by cash consideration for each share of common stock per the merger agreement | $ / shares | $ 57.00
Cash consideration paid for common stock issued and outstanding | $ 2,545
Accelerated and vested equity awards attributable to pre-acquisition service | 51
Total Purchase Price | $ 2,596

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