Employee Benefits (Tables)

6 Months Ended

Jun. 30, 2015

Benefit or (Income) Cost Related to Pension and Postretirement Health Care and Life Insurance

The following table summarizes the benefit (income) cost related to our pension and postretirement health care and life insurance plans:

(dollars in millions)	Pension						Health Care and Life
Three Months Ended June 30,	2015			2014			2015			2014
Service cost	$	93		$	82		$	81		$	64
Amortization of prior service credit		(3	)		(2	)		(71	)		(64	)
Expected return on plan assets		(318	)		(295	)		(26	)		(40	)
Interest cost		242			259			279			277
Total	$	14		$	44		$	263		$	237

(dollars in millions)	Pension						Health Care and Life
Six Months Ended June 30,	2015			2014			2015			2014
Service cost	$	187		$	163		$	162		$	129
Amortization of prior service credit		(2	)		(4	)		(143	)		(127	)
Expected return on plan assets		(635	)		(590	)		(51	)		(81	)
Interest cost		485			518			558			554
Total	$	35		$	87		$	526		$	475