Benefit Plans Benefit Plans (Weighted Average Assumptions) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
U.S. Defined Benefit Plans
Benefit Obligation:
Discount rates	4.89%		3.86%
Rates of compensation increase	3.94%	[1]	3.94%	[1]
Periodic Benefit Cost:
Discount rate	3.86%		4.67%
Expected long-term rate of return on plan assets	7.15%		7.28%
Rate of compensation increase	3.94%	[1]	3.94%	[1]
Defined benefit plan, benefit obligation subsidiary using salary bonds	$ 651		$ 764
Foreign Defined Benefit Plans
Benefit Obligation:
Discount rates	10.80%	[2]	8.28%	[2]
Rates of compensation increase	6.44%		6.47%
Periodic Benefit Cost:
Discount rate	8.28%		9.54%
Expected long-term rate of return on plan assets	11.16%		10.81%
Rate of compensation increase	6.47%		5.99%

[1] A U.S. subsidiary of the Company has a defined benefit obligation of $651 million and $764 million as of December 31, 2013 and 2012, respectively, and uses salary bands to determine future benefit costs rather than rates of compensation increases. Rates of compensation increases in the table above do not include amounts related to this specific defined benefit plan.

[2] Includes an inflation factor that is used to calculate future periodic benefit cost, but is not used to calculate the benefit obligation.