Cost of Revenue	6 Months Ended
Jun. 30, 2014
Cost of Revenue [Abstract]
Cost of Revenue Disclosure	3. COST OF REVENUE Substantially all of the Company’s operating costs and expenses are “cost of revenue” items. Operating costs that could be classified as general and administrative by the Company would include the Company’s corporate office costs at its Franklin, Tennessee office and Naples, Florida office, which were $85 million and $48 million for the three months ended June 30, 2014 and 2013, respectively, and $159 million and $93 million for the six months ended June 30, 2014 and 2013, respectively. Included in these amounts is stock-based compensation expense of $12 million and $9 million for the three months ended June 30, 2014 and 2013, respectively, and $22 million and $19 million for the six months ended June 30, 2014 and 2013, respectively.

3. COST OF REVENUE

Substantially all of the Company’s operating costs and expenses are “cost of revenue” items. Operating costs that could be classified as general and administrative by the Company would include the Company’s corporate office costs at its Franklin, Tennessee office and Naples, Florida office, which were $85 million and $48 million for the three months ended June 30, 2014 and 2013, respectively, and $159 million and $93 million for the six months ended June 30, 2014 and 2013, respectively. Included in these amounts is stock-based compensation expense of $12 million and $9 million for the three months ended June 30, 2014 and 2013, respectively, and $22 million and $19 million for the six months ended June 30, 2014 and 2013, respectively.