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CONDENSED COMBINED STATEMENTS OF INCOME (UNAUDITED) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Income Statement [Abstract]        
Revenue $ 301 $ 349 $ 918 $ 1,185
Cost of revenue 274 301 826 1,014
Selling, general and administrative expenses 24 19 62 65
Operating income 3 29 30 106
Income tax expense 1 10 11 38
Net income $ 2 $ 19 $ 19 $ 68