Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt [Abstract]

Debt obligations

The Company’s debt obligations were as follows:

	December 31,
(dollars in millions)	2014			2013
Commercial paper (0.49% weighted average rate)	$	201		$	–
Senior notes:
Floating rate notes due June 2, 2014		–			250
1.6% notes due April 30, 2015		–			250
1.15% notes due December 15, 2016		250			250
1.4% notes due June 15, 2017		250			–
6.375% notes due July 15, 2018		450			450
4.5% notes due June 1, 2021		250			250
3.6% notes due April 30, 2022		250			250
4.0% notes due December 15, 2023		250			250
3.7% notes due June 15, 2024		250			–
7.0% notes due July 15, 2038		300			300
5.95% notes due June 1, 2041		250			250
5.125% notes due December 15, 2043		250			250
Unamortized original issue discount		(7	)		(7	)
Other debt		67			57
Obligations under capital leases		71			60
		3,082			2,860
Current maturities		(263	)		(297	)
Long-term maturities	$	2,819		$	2,563

Interest expensed and paid

Information on interest expensed and paid during the three years ended December 31, 2014 was as follows:

	Year Ended December 31
(dollars in millions)	2014		2013		2012
Interest expensed	$	149	$	115	$	104
Interest paid	$	142	$	105	$	97