Debt (Tables)

6 Months Ended

Jun. 30, 2014

Debt [Abstract]

Unsecured Fixed Rate Debt Securities Issued Under Current Shelf Registration [Table Text Block]

During the six months ended June 30, 2014, we issued the following unsecured, fixed-rate debt securities under our current shelf registration:

Date	Description of Securities
January 10, 2014	$300 million of 2.25% Notes due February 15, 2019
	$400 million of 3.75% Notes due March 15, 2024
	$300 million of 4.85% Notes due June 15, 2044