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Equity
 12 Months Ended
Dec. 31, 2015
Equity

Note 13: Equity

Class A Special Common Stock Reclassification

In December 2015, our shareholders approved a proposal to amend and restate our Amended and Restated Certificate of Incorporation in order to reclassify each issued share of our Class A Special common stock into one share of our Class A common stock. This reclassification became effective as of the close of business on December 11, 2015, at which time our Class A Special common stock was no longer outstanding and ceased trading on the NASDAQ under the symbol CMCSK and instead became listed on the NASDAQ under the symbol CMCSA. There was no impact on basic and diluted EPS or the carrying value of total common stock as presented in our consolidated balance sheet because it was a one-for-one stock exchange.

Common Stock

In the aggregate, holders of our Class A common stock have 66 2/3% of the voting power of our common stock and holders of our Class B common stock have 331/3% of the voting power of our common stock. Each share of our Class B common stock is entitled to 15 votes. The number of votes held by each share of our Class A common stock depends on the number of shares of Class A and Class B common stock outstanding at any given time. The 331/3% aggregate voting power of our Class B common stock cannot be diluted by additional issuances of any other class of common stock. Our Class B common stock is convertible, share for share, into Class A common stock, subject to certain restrictions.

Shares of Common Stock Outstanding
(in millions)AA SpecialB
Balance, December 31, 20122,1225089
Stock compensation plans14--
Repurchases and retirements of common stock-(49)-
Employee stock purchase plans2--
Balance, December 31, 20132,1384599
Stock compensation plans13--
Repurchases and retirements of common stock(22)(59)-
Employee stock purchase plans2--
Balance, December 31, 20142,1314009
Stock compensation plans12--
Repurchases and retirements of common stock(62)(54)-
Employee stock purchase plans2--
Reclassification of Class A Special common stock 346(346)-
Other4--
Balance, December 31, 20152,433-9

Share Repurchases

Effective January 1, 2016, our Board of Directors increased our share repurchase program authorization to a total of $10 billion, which does not have an expiration date. Under this authorization, we may repurchase shares in the open market or in private transactions.

Share Repurchases
Year ended December 31 (in millions)201520142013
Cash consideration$6,750$4,251$2,000
Shares repurchased1168149

Accumulated Other Comprehensive Income (Loss)
December 31 (in millions)20152014
Unrealized gains (losses) on marketable securities$1$1
Deferred gains (losses) on cash flow hedges(46)(4)
Unrecognized gains (losses) on employee benefit obligations6(68)
Cumulative translation adjustments(135)(75)
Accumulated other comprehensive income (loss), net of deferred taxes$(174)$(146)