Equity (Accumulated Other Comprehensive Loss) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance as of December 31, 2013	$ (196,000,000)
Other comprehensive income before reclassifications	5,000,000
Reclassifications from accumulated other comprehensive loss to net earnings	1,000,000
Net other comprehensive income	6,000,000
Balance as of March 31, 2014	(190,000,000)
Pension and other postretirement benefit plans, tax	(1,000,000)	(3,000,000)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance as of December 31, 2013	23,000,000
Other comprehensive income before reclassifications	3,000,000
Reclassifications from accumulated other comprehensive loss to net earnings	0
Net other comprehensive income	3,000,000
Balance as of March 31, 2014	26,000,000
Pension and Postretirement Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance as of December 31, 2013	(216,000,000)
Other comprehensive income before reclassifications	0
Reclassifications from accumulated other comprehensive loss to net earnings	1,000,000
Net other comprehensive income	1,000,000
Balance as of March 31, 2014	(215,000,000)
Unrealized Gain (Loss) on Forward Exchange Contracts
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance as of December 31, 2013	(3,000,000)
Other comprehensive income before reclassifications	2,000,000
Reclassifications from accumulated other comprehensive loss to net earnings	0
Net other comprehensive income	2,000,000
Balance as of March 31, 2014	$ (1,000,000)