Employee Benefit Plans (Tables)

75 Months Ended

Dec. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Net Periodic Defined Benefit Pension and Other Postretirement Benefit Costs

Net periodic defined benefit pension and other postretirement benefit costs include the following:

	Three Months Ended December 31
	2014						2013						2014					2013
	Pension Benefits												Postretirement Benefits
	U.S.			Foreign			U.S.			Foreign			U.S.			Foreign		U.S.			Foreign
	(Dollars in millions)
Service cost	$	—		$	2		$	1		$	2		$	—		$	—	$	—		$	—
Interest cost		2			3			2			4			—			—		1			—
Expected return on plan assets		(3	)		(4	)		(3	)		(5	)		—			—		—			—
Amortization of prior service credit		—			—			—			—			(1	)		—		(1	)		—
Amortization of actuarial loss		—			1			—			1			—			—		—			—
Settlement costs		—			18			—			—			—			—		—			—
Net periodic benefit cost (credit)	$	(1	)	$	20		$	—		$	2		$	(1	)	$	—	$	—		$	—