Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2016

Employee Benefit Plans

Components of Net Periodic Benefit Expense (Income)

			Three Months Ended
			March 31,
			2016		2015
			(dollars in millions)
Service cost, benefits earned during the period		$	4	$	5
Interest cost on projected benefit obligation			38		39
Expected return on plan assets			(30)		(30)
Net amortization of prior service credit			(4)		(5)
Net amortization of actuarial loss			3		6
	Net periodic benefit expense	$	11	$	15