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Fair Value Of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value Of Financial Instruments [Abstract]



($ in millions)	March 31, 2015				December 31, 2014

		Carrying Amount		Fair Value		Carrying Amount		Fair Value

Long-term debt	$	9,464	$	9,995	$	9,486	$	10,034

- 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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