The following chart summarizes the Company’s stock repurchase programs as approved by the Board of Directors in effect for the periods ended December 31, 2012 through December 31, 2014 (in thousands):



Date Approved	Amount Approved		Term Date	Remaining Repurchase Authority
May 3, 2010	$	200,000	May 3, 2012	$	—
May 26, 2011	$	100,000	December 31, 2012	$	—
February 21, 2012	$	200,000	February 28, 2014	$	—
September 12, 2012	$	350,000	December 31, 2014	$	—
December 4, 2013	$	500,000	December 31, 2015	$	264,613

In 2014, 2013 and 2012, the Company repurchased approximately 3.5 million shares of its common stock for $235 million, approximately 4.8 million shares of its common stock for $221 million, and approximately 10 million shares of its common stock for $389 million, respectively. Through December 31, 2014, the Company has repurchased approximately 27.5 million shares under its share repurchase programs at an aggregate cost of approximately $1 billion and had authority to repurchase approximately $265 million of additional shares of common stock.

As part of its share repurchase programs, the Company entered into accelerated share repurchase agreements (“ASRs”) with third-party financial institutions in 2014, 2013 and 2012. In December 2014, following the conversion of all of the 2042 Notes then outstanding, the Company entered into two ASRs. Under the first ASR, the Company paid $75 million and received approximately 0.8 million shares of its common stock valued at $60 million in December 2014. The $15 million balance was recorded as an equity forward contract, included in paid-in capital at December 31, 2014, and settled in January 2015 with approximately 0.2 million additional shares of common stock. Under the second ASR, the Company paid $100 million and received approximately 1.1 million shares valued at $80 million in January 2015. The $20 million balance is expected to settle during the first quarter of 2015.

In May 2013, under an ASR, the Company paid $100 million and received approximately 1.3 million shares of its common stock valued at $60 million. The $40 million balance was settled in the third quarter of 2013 with approximately 0.4 million additional shares of common stock and $19 million in cash.

In November 2012, under an ASR, the Company paid $250 million and received approximately 5.8 million shares of its common stock valued at $200 million. The $50 million balance was recorded as an equity forward contract, included in paid-in capital at December 31, 2012, and settled in the second quarter of 2013 with approximately 0.6 million additional shares of common stock.