Taxes on Income (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Taxes on income (Textual) [Abstract]
Undistributed earnings of foreign subsidiaries for income tax purposes	$ 930
Net income tax payments	787	243	452
Increase in amount of unrecognized tax benefits that unfavorably impact tax expense	28
Total amount of federal, state and local, and foreign unrecognized tax benefits excluding interest and penalties	82	74	58	53
Accrued interest and penalties associated with uncertain tax positions	19	14
Operating Loss Carryforwards	$ 165