Accumulated Other Comprehensive Income (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Reclassification out of Accumulated Other Comprehensive Income [Abstract]
Defined Benefit Plans	$ 20	[1]	$ 35	[1]
Tax expense of defined benefit plans	$ 11		$ 22

[1] Above amounts are included in the computation of net periodic benefit cost and are presented net of tax expense of $11 million and $22 millionfor the three-month periods ended March 31, 2014 and 2013, respectively. See Note 15—Employee Benefit Plans, for additional information.