Pension and Other Benefit Plans (Tables)

6 Months Ended

Sep. 30, 2018

Retirement Benefits [Abstract]

Schedule of Defined Benefit Plans Disclosures

The components of net periodic pension expense (benefit) were:

	Three Months Ended			Six Months Ended
(in millions)	September 30, 2018			September 30, 2018
Service cost	$	—		$	—
Interest cost	5			6
Expected return on assets	(7		)	(9		)
Net periodic pension benefit	$	(2	)	$	(3	)

The weighted-average rates used to determine the benefit obligation and net periodic pension cost were:

	Rate
Benefit obligation:
Discount rate	4.3	%
Rate of increase in compensation levels	—	%
Net periodic pension cost:
Discount rate	4.3	%
Expected long-term rates of return on assets	7.3	%
Rates of increase in compensation levels	—	%