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Capital Transactions
6 Months Ended
Jun. 30, 2017
Equity [Abstract]  
Capital Transactions
Capital Transactions
 
Repurchase Program
 
On February 2, 2017, our Board of Directors authorized a stock repurchase program under which we are authorized to repurchase up to $1 billion of our common stock during the two-year period from February 13, 2017 through February 12, 2019. As of June 30, 2017, we have not repurchased any shares under this program.
Dividends
 
On February 2, 2017, our Board of Directors approved a cash dividend of $0.30 per common share. On May 10, 2017, we made an aggregate cash dividend payment of $226 million to shareholders of record at the close of business on March 30, 2017. On May 26, 2017, we made related dividend equivalent payments of less than $1 million to certain holders of restricted stock units.

On February 2, 2016, our Board of Directors declared a cash dividend of $0.26 per common share. On May 11, 2016, we made an aggregate cash dividend payment of $192 million to shareholders of record at the close of business on March 30, 2016. On May 27, 2016, we made related dividend equivalent payments of $3 million to certain holders of restricted stock units.