Stock Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of stock-based compensation expense recognized in the consolidated statements of operations

Total stock-based compensation expense recognized in the "Cost of services" and “Selling, general, and administrative” line items of the consolidated statements of operations resulting from stock options, non-vested restricted stock awards, and non-vested restricted stock units was as follows for the periods presented:

	Three months ended March 31,
(in millions)	2016		2015
Cost of services	$	49	$	—
Selling, general, and administrative	66		7
Total	$	115	$	7