Retirement Benefits (Reconciliation of Prior Service Credit) (Details) (Accumulated Defined Benefit Plans Adjustment, Net Prior Service Cost (Credit) [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
U.S. Pension Benefits [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 23	$ 39
Recognized as component of net periodic benefit credit	(16)	(16)
Ending balance, December 31	7	23
Non- U.S Pension Benefits [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	93	23
Recognized as component of net periodic benefit credit	(6)	(3)
Effect of curtailment	0	(1)
Plan amendments	0	71
Exchange rate adjustments	(2)	3
Ending balance, December 31	85	93
U.S. Postretirement Benefits [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	0	13
Recognized as component of net periodic benefit credit	0	(13)
Ending balance, December 31	0	0
Foreign Postretirement Benefit Plan, Defined Benefit [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	0	1
Recognized as component of net periodic benefit credit	0	(1)
Effect of curtailment	0	0
Plan amendments	0	0
Exchange rate adjustments	0	0
Ending balance, December 31	$ 0	$ 0