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Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value and Carrying Value of Long-Term Debt

The fair value and carrying value of our senior notes were as follows:



(Dollars in millions)	March 31, 2015		December 31, 2014
Fair value	$	6,592	$	6,733
Carrying value	6,498		6,660

- Definition

Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

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