Long-Term Debt and Short-Term Borrowings (Details 1)		1 Months Ended
	Jun. 30, 2014 USD ($)	Jun. 30, 2014 Fixed rate medium term note due 2019 USD ($)	Jun. 30, 2014 Fixed rate medium term note due 2044 USD ($)	Jul. 31, 2014 Eurobond notes which matured in 2014 EUR (€)
Long-Term Debt
Repayment of debt				€ 1,025,000,000
Term of debt instrument		5 years	30 years
Medium-term notes program established in connection with a "well-known seasoned issuer" shelf registration	9,000,000,000	625,000,000	325,000,000
Amount of notes under medium term note program that were previously issued	2,250,000,000
Interest rate, stated percentage (as a percent)		1.625%	3.875%
Derivative notional amount		$ 600,000,000