Financing Arrangements (Tables)

9 Months Ended

Sep. 30, 2013

Debt Disclosure [Abstract]

Summary of carrying values and coupon rates on financing arrangements

The carrying values and the fixed contractual coupon rates of our financing arrangements are as follows (dollars in millions):

	September 30, 2013		December 31, 2012
Current portion notes payable, 8.64%, due August 1, 2014	$	9,025	$	10,792
Current portion notes payable, 8.9012%, due August 1, 2014	3,350		4,043
Total current portion of notes payable	$	12,375	$	14,835
Long-term portion notes payable, 8.64%, due August 1, 2014	$	—	$	9,837
Long-term portion notes payable, 8.9012%, due August 1, 2014	—		3,606
Total long-term portion of notes payable	$	—	$	13,443