Debt (Tables)

6 Months Ended

Jun. 30, 2014

Debt Disclosure [Abstract]

Fair value and carrying value of long-term debt, including current maturities

The approximate fair value and related carrying value of the Company's total long-term debt, including current maturities of long-term debt presented as short-term debt, as of June 30, 2014 and December 31, 2013 were as follows:

(In millions)	June 30, 2014		December 31, 2013
Fair value	$	7,425	$	4,670
Carrying value	7,170		4,627