Accumulated Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 55	$ (37)	$ 36	$ 26
Other comprehensive income before reclassifications	16	(65)
Amounts reclassified from accumulated other comprehensive income	3	2
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	85	0	67	56
Other comprehensive income before reclassifications	18	(56)
Amounts reclassified from accumulated other comprehensive income	0	0
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(30)	(37)	(31)	(30)
Other comprehensive income before reclassifications	(2)	(9)
Amounts reclassified from accumulated other comprehensive income	$ 3	$ 2