v3.7.0.1

Investments (Cost Method Investments) (Details) $ in Billions | 3 Months Ended
--- | ---
Mar. 31, 2017 USD ($) preferred_stock_series
AirTouch [Member] |
Schedule of Cost-method Investments [Line Items] |
Number of Preferred Stock Series | preferred_stock_series | 2
Level 2 [Member] | AirTouch [Member] |
Schedule of Cost-method Investments [Line Items] |
Fair Value Of Cost Method Investment Redeemable Preferred Shares | $ 1.8
AirTouch [Member] | Level 2 [Member] |
Schedule of Cost-method Investments [Line Items] |
Fair value of redeemable preferred shares | $ 1.8

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- Definition The fair value of a cost method investment related to redeemable preferred shares. + References No definition available. + Details
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- Details
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- Details
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