Common Stock Repurchase Program

9 Months Ended

Sep. 30, 2018

Equity [Abstract]

Common Stock Repurchase Program

3.  Common Stock Repurchase Program

In the three and nine months ended September 30, 2018, we repurchased $250 million (3.8 million shares) and $1,130 million (20.4 million shares) of our common stock, respectively, bringing total repurchases under our $1.5 billion common stock repurchase program to $1.25 billion (23.0 million shares) as of September 30, 2018.